From 99b24c41b87f54b0720c7382ad15e6a4213aae98 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 16 Dec 2017 18:52:30 +0100
Subject: [PATCH] theme: reduce random noise in test files.

---
 pelican-theme/test/__init__.py                |  4 +++-
 pelican-theme/test/blog/archives.html         |  2 +-
 pelican-theme/test/blog/article-jumbo.html    |  2 +-
 pelican-theme/test/blog/article.html          |  2 +-
 .../test/blog/author-explicit-author.html     |  2 +-
 .../test/blog/category-another-category.html  |  2 +-
 pelican-theme/test/blog/index.html            |  2 +-
 pelican-theme/test/blog/tag-third.html        |  2 +-
 .../test/blog_author_list/article-jumbo.html  | 12 ++--------
 .../test/blog_author_list/index.html          | 10 ++-------
 .../test/blog_collapse_first_both/index.html  | 10 ++-------
 .../article-jumbo.html                        | 14 ++----------
 .../article.html                              | 12 ++--------
 .../index.html                                | 10 ++-------
 .../article-jumbo.html                        | 14 ++----------
 .../article.html                              | 12 ++--------
 .../index.html                                | 10 ++-------
 .../blog_collapse_first_global/index.html     | 10 ++-------
 .../article-jumbo.html                        | 14 ++----------
 .../article.html                              | 12 ++--------
 .../index.html                                | 10 ++-------
 .../article-jumbo.html                        | 14 ++----------
 .../article.html                              | 12 ++--------
 .../index.html                                | 10 ++-------
 .../test/blog_footer_links/index.html         | 10 ++-------
 .../test/blog_global_social_meta/article.html |  2 +-
 .../author-the-author.html                    |  2 +-
 .../category-a-category.html                  |  2 +-
 .../blog_global_social_meta/tag-a-tag.html    |  2 +-
 .../blog_hide_summary_both/article-jumbo.html | 14 ++----------
 .../test/blog_hide_summary_both/article.html  | 12 ++--------
 .../blog_hide_summary_both/category-misc.html | 10 ++-------
 .../test/blog_hide_summary_both/index.html    | 10 ++-------
 .../article-jumbo.html                        | 14 ++----------
 .../blog_hide_summary_global/article.html     | 12 ++--------
 .../category-misc.html                        | 10 ++-------
 .../test/blog_hide_summary_global/index.html  | 10 ++-------
 .../test/blog_html_escape/archives.html       |  2 +-
 .../test/blog_html_escape/archives2.html      |  2 +-
 .../test/blog_html_escape/article-jumbo.html  |  2 +-
 .../test/blog_html_escape/article.html        |  2 +-
 .../author-and-in-author.html                 |  2 +-
 .../author-and-in-author2.html                |  2 +-
 .../category-and-in-category.html             |  2 +-
 .../category-and-in-category2.html            |  2 +-
 .../test/blog_html_escape/index.html          |  2 +-
 .../test/blog_html_escape/index2.html         |  2 +-
 .../test/blog_html_escape/tag-and-in-tag.html |  2 +-
 .../blog_html_escape/tag-and-in-tag2.html     |  2 +-
 .../blog_jumbo_inverted/article-jumbo.html    | 12 ++--------
 .../test/blog_minimal/article-jumbo.html      |  2 +-
 pelican-theme/test/blog_minimal/article.html  |  2 +-
 .../test/blog_minimal/category-misc.html      |  2 +-
 pelican-theme/test/blog_minimal/index.html    |  2 +-
 .../test/blog_modified_date/index.html        | 10 ++-------
 .../test/blog_pagination/category-misc.html   |  2 +-
 .../test/blog_pagination/category-misc2.html  |  2 +-
 .../test/blog_pagination/category-misc3.html  |  2 +-
 pelican-theme/test/blog_pagination/index.html |  2 +-
 .../test/blog_pagination/index2.html          |  2 +-
 .../test/blog_pagination/index3.html          |  2 +-
 .../test/blog_pagination_disabled/index.html  | 10 ++-------
 pelican-theme/test/layout/features.html       |  2 +-
 .../test/layout/guest-post-howto.html         |  2 +-
 pelican-theme/test/layout/index.html          |  2 +-
 .../test/layout/showcase-requirements.html    |  2 +-
 .../test/layout_disable_blog_links/index.html | 10 ++-------
 .../test/layout_disable_fine_print/index.html | 10 ++-------
 .../layout_global_social_meta/archives.html   |  2 +-
 .../test/layout_global_social_meta/index.html |  2 +-
 .../test/layout_html_escape/index.html        |  2 +-
 pelican-theme/test/layout_minimal/index.html  |  2 +-
 .../test/layout_no_footer/index.html          | 10 ++-------
 .../test/layout_one_column_navbar/index.html  | 19 ++--------------
 pelican-theme/test/page/page.html             |  2 +-
 pelican-theme/test/page_breadcrumb/page.html  |  2 +-
 .../test/page_breadcrumb/subpage.html         |  2 +-
 pelican-theme/test/page_extra_css/page.html   | 10 ++-------
 .../test/page_global_social_meta/page.html    |  2 +-
 .../test/page_header_footer/page.html         | 12 ++--------
 .../test/page_html_escape/breadcrumb.html     |  2 +-
 .../test/page_html_escape/content.html        |  2 +-
 .../test/page_html_escape/landing.html        |  2 +-
 pelican-theme/test/page_html_escape/page.html |  2 +-
 .../test/page_landing/hide-navbar-brand.html  |  2 +-
 pelican-theme/test/page_landing/page.html     |  2 +-
 pelican-theme/test/page_minimal/page.html     |  2 +-
 .../test/page_title_sitename_alias/page.html  | 10 ++-------
 pelican-theme/test/test_blog.py               | 20 +++++++++++++----
 pelican-theme/test/test_layout.py             |  9 ++++++--
 pelican-theme/test/test_page.py               | 22 +++++++++++++++----
 91 files changed, 166 insertions(+), 394 deletions(-)

diff --git a/pelican-theme/test/__init__.py b/pelican-theme/test/__init__.py
index 812fd462..b6e1b189 100644
--- a/pelican-theme/test/__init__.py
+++ b/pelican-theme/test/__init__.py
@@ -75,7 +75,7 @@ class BaseTestCase(MinimalTestCase):
             'PLUGIN_PATHS': ['../pelican-plugins'],
             'PLUGINS': ['m.htmlsanity'],
             'THEME_STATIC_DIR': 'static',
-            'M_CSS_FILES': ['https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i',
+            'M_CSS_FILES': ['https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i',
                'static/m-dark.css'],
             # i.e., not rendering the category, tag and author lists as they
             # are not supported anyway
@@ -89,6 +89,7 @@ class PageTestCase(BaseTestCase):
     def run_pelican(self, settings):
         implicit_settings = {
             'M_FINE_PRINT': None,
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'PAGE_PATHS': ['.'],
             'PAGE_SAVE_AS': '{slug}.html',
             'PAGE_URL': '{slug}.html',
@@ -103,6 +104,7 @@ class BlogTestCase(BaseTestCase):
         implicit_settings = {
             'DATE_FORMATS': {'en': ('en_US.UTF-8', '%b %d, %Y')},
             'M_FINE_PRINT': None,
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'PAGE_PATHS': ['pages'], # doesn't exist
             'ARTICLE_PATHS': ['.'],
             'AUTHOR_SAVE_AS': 'author-{slug}.html',
diff --git a/pelican-theme/test/blog/archives.html b/pelican-theme/test/blog/archives.html
index b98e809e..d0854490 100644
--- a/pelican-theme/test/blog/archives.html
+++ b/pelican-theme/test/blog/archives.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog/article-jumbo.html b/pelican-theme/test/blog/article-jumbo.html
index e392bdde..9cf46ccc 100644
--- a/pelican-theme/test/blog/article-jumbo.html
+++ b/pelican-theme/test/blog/article-jumbo.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>An article — a jumbo one | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog/article.html b/pelican-theme/test/blog/article.html
index cb789539..05fdad7c 100644
--- a/pelican-theme/test/blog/article.html
+++ b/pelican-theme/test/blog/article.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog/author-explicit-author.html b/pelican-theme/test/blog/author-explicit-author.html
index 86e885e3..cf4eade7 100644
--- a/pelican-theme/test/blog/author-explicit-author.html
+++ b/pelican-theme/test/blog/author-explicit-author.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts by Explicit Author | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog/category-another-category.html b/pelican-theme/test/blog/category-another-category.html
index 6871aa14..4f1b0ec6 100644
--- a/pelican-theme/test/blog/category-another-category.html
+++ b/pelican-theme/test/blog/category-another-category.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Another category | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog/index.html b/pelican-theme/test/blog/index.html
index 39e32393..b804f4c8 100644
--- a/pelican-theme/test/blog/index.html
+++ b/pelican-theme/test/blog/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog/tag-third.html b/pelican-theme/test/blog/tag-third.html
index 83ef88ee..9bc9d909 100644
--- a/pelican-theme/test/blog/tag-third.html
+++ b/pelican-theme/test/blog/tag-third.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts tagged Third | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog_author_list/article-jumbo.html b/pelican-theme/test/blog_author_list/article-jumbo.html
index e3952fd0..ab955df8 100644
--- a/pelican-theme/test/blog_author_list/article-jumbo.html
+++ b/pelican-theme/test/blog_author_list/article-jumbo.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_author_list/index.html b/pelican-theme/test/blog_author_list/index.html
index e2dcecf7..78bf321b 100644
--- a/pelican-theme/test/blog_author_list/index.html
+++ b/pelican-theme/test/blog_author_list/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_both/index.html b/pelican-theme/test/blog_collapse_first_both/index.html
index d005ea13..109e02eb 100644
--- a/pelican-theme/test/blog_collapse_first_both/index.html
+++ b/pelican-theme/test/blog_collapse_first_both/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article-jumbo.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article-jumbo.html
index c5a00722..14d1bf86 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article-jumbo.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="Jumbo article summary, expanded on both listing and page." />
-  <meta name="twitter:description" content="Jumbo article summary, expanded on both listing and page." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article.html
index 4606452f..f9456297 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, expanded on both listing and page." />
-  <meta name="twitter:description" content="The summary, expanded on both listing and page." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/index.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/index.html
index 93d015e7..1c21b186 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_both/index.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_both/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article-jumbo.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article-jumbo.html
index 9bc43a87..66303986 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article-jumbo.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="Jumbo article summary, shown only on listing." />
-  <meta name="twitter:description" content="Jumbo article summary, shown only on listing." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article.html
index da134ebc..7793f81b 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, shown nowhere." />
-  <meta name="twitter:description" content="The summary, shown nowhere." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/index.html b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/index.html
index 1a4375cb..b0bb03b4 100644
--- a/pelican-theme/test/blog_collapse_first_both_hide_summary_global/index.html
+++ b/pelican-theme/test/blog_collapse_first_both_hide_summary_global/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_global/index.html b/pelican-theme/test/blog_collapse_first_global/index.html
index a0ac0d75..2b44faa5 100644
--- a/pelican-theme/test/blog_collapse_first_global/index.html
+++ b/pelican-theme/test/blog_collapse_first_global/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article-jumbo.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article-jumbo.html
index 6d204479..18357765 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article-jumbo.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="Jumbo article summary, expanded only on listing." />
-  <meta name="twitter:description" content="Jumbo article summary, expanded only on listing." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article.html
index a291a70b..d5a76e7c 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, expanded only on listing." />
-  <meta name="twitter:description" content="The summary, expanded only on listing." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/index.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/index.html
index 580ea5d9..a4369d78 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_both/index.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_both/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article-jumbo.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article-jumbo.html
index 9bc43a87..66303986 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article-jumbo.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="Jumbo article summary, shown only on listing." />
-  <meta name="twitter:description" content="Jumbo article summary, shown only on listing." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article.html
index 0b815326..33974c72 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, shown on listing." />
-  <meta name="twitter:description" content="The summary, shown on listing." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/index.html b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/index.html
index cc38c6bc..e60a45e3 100644
--- a/pelican-theme/test/blog_collapse_first_global_hide_summary_global/index.html
+++ b/pelican-theme/test/blog_collapse_first_global_hide_summary_global/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_footer_links/index.html b/pelican-theme/test/blog_footer_links/index.html
index 3111b5cd..1e5d094a 100644
--- a/pelican-theme/test/blog_footer_links/index.html
+++ b/pelican-theme/test/blog_footer_links/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_global_social_meta/article.html b/pelican-theme/test/blog_global_social_meta/article.html
index ffaad899..c1d4e4d5 100644
--- a/pelican-theme/test/blog_global_social_meta/article.html
+++ b/pelican-theme/test/blog_global_social_meta/article.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_global_social_meta/author-the-author.html b/pelican-theme/test/blog_global_social_meta/author-the-author.html
index 093066ac..0bfc2b40 100644
--- a/pelican-theme/test/blog_global_social_meta/author-the-author.html
+++ b/pelican-theme/test/blog_global_social_meta/author-the-author.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts by The Author | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="twitter:site" content="@czmosra" />
diff --git a/pelican-theme/test/blog_global_social_meta/category-a-category.html b/pelican-theme/test/blog_global_social_meta/category-a-category.html
index d63db063..79be0a65 100644
--- a/pelican-theme/test/blog_global_social_meta/category-a-category.html
+++ b/pelican-theme/test/blog_global_social_meta/category-a-category.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A category | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="twitter:site" content="@czmosra" />
diff --git a/pelican-theme/test/blog_global_social_meta/tag-a-tag.html b/pelican-theme/test/blog_global_social_meta/tag-a-tag.html
index 332a5943..e3764355 100644
--- a/pelican-theme/test/blog_global_social_meta/tag-a-tag.html
+++ b/pelican-theme/test/blog_global_social_meta/tag-a-tag.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts tagged A tag | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="twitter:site" content="@czmosra" />
diff --git a/pelican-theme/test/blog_hide_summary_both/article-jumbo.html b/pelican-theme/test/blog_hide_summary_both/article-jumbo.html
index 4c115e98..d58eae0b 100644
--- a/pelican-theme/test/blog_hide_summary_both/article-jumbo.html
+++ b/pelican-theme/test/blog_hide_summary_both/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="The summary, shown in both listing and on the page." />
-  <meta name="twitter:description" content="The summary, shown in both listing and on the page." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_hide_summary_both/article.html b/pelican-theme/test/blog_hide_summary_both/article.html
index ff2f2d26..a648d2c1 100644
--- a/pelican-theme/test/blog_hide_summary_both/article.html
+++ b/pelican-theme/test/blog_hide_summary_both/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, repeated on the page." />
-  <meta name="twitter:description" content="The summary, repeated on the page." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_hide_summary_both/category-misc.html b/pelican-theme/test/blog_hide_summary_both/category-misc.html
index 754364df..31f2b9e8 100644
--- a/pelican-theme/test/blog_hide_summary_both/category-misc.html
+++ b/pelican-theme/test/blog_hide_summary_both/category-misc.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="misc" />
-  <meta name="twitter:title" content="misc" />
-  <meta property="og:url" content="category-misc.html" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_hide_summary_both/index.html b/pelican-theme/test/blog_hide_summary_both/index.html
index ad6d781b..bfbb5f43 100644
--- a/pelican-theme/test/blog_hide_summary_both/index.html
+++ b/pelican-theme/test/blog_hide_summary_both/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_hide_summary_global/article-jumbo.html b/pelican-theme/test/blog_hide_summary_global/article-jumbo.html
index 403c4343..cab8efc3 100644
--- a/pelican-theme/test/blog_hide_summary_global/article-jumbo.html
+++ b/pelican-theme/test/blog_hide_summary_global/article-jumbo.html
@@ -1,22 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:description" content="The summary, shown in listing but not on the page." />
-  <meta name="twitter:description" content="The summary, shown in listing but not on the page." />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_hide_summary_global/article.html b/pelican-theme/test/blog_hide_summary_global/article.html
index 77ef7640..b95c5072 100644
--- a/pelican-theme/test/blog_hide_summary_global/article.html
+++ b/pelican-theme/test/blog_hide_summary_global/article.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="An article" />
-  <meta name="twitter:title" content="An article" />
-  <meta property="og:url" content="article.html" />
-  <meta property="og:description" content="The summary, shown neither in listing nor on the page." />
-  <meta name="twitter:description" content="The summary, shown neither in listing nor on the page." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_hide_summary_global/category-misc.html b/pelican-theme/test/blog_hide_summary_global/category-misc.html
index 8eabf515..8b503ae5 100644
--- a/pelican-theme/test/blog_hide_summary_global/category-misc.html
+++ b/pelican-theme/test/blog_hide_summary_global/category-misc.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="misc" />
-  <meta name="twitter:title" content="misc" />
-  <meta property="og:url" content="category-misc.html" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_hide_summary_global/index.html b/pelican-theme/test/blog_hide_summary_global/index.html
index 5753759b..385fe85a 100644
--- a/pelican-theme/test/blog_hide_summary_global/index.html
+++ b/pelican-theme/test/blog_hide_summary_global/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_html_escape/archives.html b/pelican-theme/test/blog_html_escape/archives.html
index 69fad2a3..1b2a5b10 100644
--- a/pelican-theme/test/blog_html_escape/archives.html
+++ b/pelican-theme/test/blog_html_escape/archives.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>&lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/archives2.html b/pelican-theme/test/blog_html_escape/archives2.html
index dd653495..77ceb109 100644
--- a/pelican-theme/test/blog_html_escape/archives2.html
+++ b/pelican-theme/test/blog_html_escape/archives2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>&lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/article-jumbo.html b/pelican-theme/test/blog_html_escape/article-jumbo.html
index bf2eff6e..eae60fc6 100644
--- a/pelican-theme/test/blog_html_escape/article-jumbo.html
+++ b/pelican-theme/test/blog_html_escape/article-jumbo.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Article with &lt;&amp;&gt; — a &lt;&amp;&gt; jumbo one | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/article.html b/pelican-theme/test/blog_html_escape/article.html
index 1b5ec680..27b0ad9b 100644
--- a/pelican-theme/test/blog_html_escape/article.html
+++ b/pelican-theme/test/blog_html_escape/article.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Article with &lt;&amp;&gt; in title | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/author-and-in-author.html b/pelican-theme/test/blog_html_escape/author-and-in-author.html
index 92b63a86..17ae8145 100644
--- a/pelican-theme/test/blog_html_escape/author-and-in-author.html
+++ b/pelican-theme/test/blog_html_escape/author-and-in-author.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts by And &lt;&amp;&gt; in author | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/author-and-in-author2.html b/pelican-theme/test/blog_html_escape/author-and-in-author2.html
index cd1db112..d16ba4ba 100644
--- a/pelican-theme/test/blog_html_escape/author-and-in-author2.html
+++ b/pelican-theme/test/blog_html_escape/author-and-in-author2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts by And &lt;&amp;&gt; in author | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/category-and-in-category.html b/pelican-theme/test/blog_html_escape/category-and-in-category.html
index 8d022afd..47cbaa92 100644
--- a/pelican-theme/test/blog_html_escape/category-and-in-category.html
+++ b/pelican-theme/test/blog_html_escape/category-and-in-category.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>And &lt;&amp;&gt; in category | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/category-and-in-category2.html b/pelican-theme/test/blog_html_escape/category-and-in-category2.html
index 3f7be8cb..ca83e2e9 100644
--- a/pelican-theme/test/blog_html_escape/category-and-in-category2.html
+++ b/pelican-theme/test/blog_html_escape/category-and-in-category2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>And &lt;&amp;&gt; in category | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/index.html b/pelican-theme/test/blog_html_escape/index.html
index deee85d1..aee21227 100644
--- a/pelican-theme/test/blog_html_escape/index.html
+++ b/pelican-theme/test/blog_html_escape/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>&lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/index2.html b/pelican-theme/test/blog_html_escape/index2.html
index 1b357750..4e96afbe 100644
--- a/pelican-theme/test/blog_html_escape/index2.html
+++ b/pelican-theme/test/blog_html_escape/index2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>&lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/tag-and-in-tag.html b/pelican-theme/test/blog_html_escape/tag-and-in-tag.html
index 5630cd53..cbc21ee9 100644
--- a/pelican-theme/test/blog_html_escape/tag-and-in-tag.html
+++ b/pelican-theme/test/blog_html_escape/tag-and-in-tag.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts tagged And &lt;&amp;&gt; in tag | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_html_escape/tag-and-in-tag2.html b/pelican-theme/test/blog_html_escape/tag-and-in-tag2.html
index f751e969..d5e501df 100644
--- a/pelican-theme/test/blog_html_escape/tag-and-in-tag2.html
+++ b/pelican-theme/test/blog_html_escape/tag-and-in-tag2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Posts tagged And &lt;&amp;&gt; in tag | &lt;&amp;&gt; in blog name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_jumbo_inverted/article-jumbo.html b/pelican-theme/test/blog_jumbo_inverted/article-jumbo.html
index 3aeddd39..da40587e 100644
--- a/pelican-theme/test/blog_jumbo_inverted/article-jumbo.html
+++ b/pelican-theme/test/blog_jumbo_inverted/article-jumbo.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A jumbo article" />
-  <meta name="twitter:title" content="A jumbo article" />
-  <meta property="og:url" content="article-jumbo.html" />
-  <meta property="og:image" content="image.jpg" />
-  <meta name="twitter:image" content="image.jpg" />
-  <meta name="twitter:card" content="summary_large_image" />
-  <meta property="og:type" content="article" />
 </head>
 <body>
 <header><nav id="navigation" class="m-navbar-jumbo">
diff --git a/pelican-theme/test/blog_minimal/article-jumbo.html b/pelican-theme/test/blog_minimal/article-jumbo.html
index c2e4f60c..1e648198 100644
--- a/pelican-theme/test/blog_minimal/article-jumbo.html
+++ b/pelican-theme/test/blog_minimal/article-jumbo.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A jumbo article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article-jumbo.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_minimal/article.html b/pelican-theme/test/blog_minimal/article.html
index cbc27185..c807df02 100644
--- a/pelican-theme/test/blog_minimal/article.html
+++ b/pelican-theme/test/blog_minimal/article.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>An article | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="article.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_minimal/category-misc.html b/pelican-theme/test/blog_minimal/category-misc.html
index 4140132f..4b337f6b 100644
--- a/pelican-theme/test/blog_minimal/category-misc.html
+++ b/pelican-theme/test/blog_minimal/category-misc.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog_minimal/index.html b/pelican-theme/test/blog_minimal/index.html
index 7a0cd47f..fc8021e0 100644
--- a/pelican-theme/test/blog_minimal/index.html
+++ b/pelican-theme/test/blog_minimal/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A Pelican Blog" />
diff --git a/pelican-theme/test/blog_modified_date/index.html b/pelican-theme/test/blog_modified_date/index.html
index a271f66f..c9cf3c03 100644
--- a/pelican-theme/test/blog_modified_date/index.html
+++ b/pelican-theme/test/blog_modified_date/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/blog_pagination/category-misc.html b/pelican-theme/test/blog_pagination/category-misc.html
index 3a93faa8..00da5196 100644
--- a/pelican-theme/test/blog_pagination/category-misc.html
+++ b/pelican-theme/test/blog_pagination/category-misc.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="category-misc2.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_pagination/category-misc2.html b/pelican-theme/test/blog_pagination/category-misc2.html
index 64cdc887..3107238b 100644
--- a/pelican-theme/test/blog_pagination/category-misc2.html
+++ b/pelican-theme/test/blog_pagination/category-misc2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="category-misc.html" />
   <link rel="next" href="category-misc3.html" />
diff --git a/pelican-theme/test/blog_pagination/category-misc3.html b/pelican-theme/test/blog_pagination/category-misc3.html
index 2eb9d8c0..c9cfad96 100644
--- a/pelican-theme/test/blog_pagination/category-misc3.html
+++ b/pelican-theme/test/blog_pagination/category-misc3.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>misc | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="category-misc2.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_pagination/index.html b/pelican-theme/test/blog_pagination/index.html
index 8db4e79b..28213ad4 100644
--- a/pelican-theme/test/blog_pagination/index.html
+++ b/pelican-theme/test/blog_pagination/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="next" href="index2.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_pagination/index2.html b/pelican-theme/test/blog_pagination/index2.html
index 1e790f82..bed5c02e 100644
--- a/pelican-theme/test/blog_pagination/index2.html
+++ b/pelican-theme/test/blog_pagination/index2.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index.html" />
   <link rel="next" href="index3.html" />
diff --git a/pelican-theme/test/blog_pagination/index3.html b/pelican-theme/test/blog_pagination/index3.html
index 0aad9257..c993d6a5 100644
--- a/pelican-theme/test/blog_pagination/index3.html
+++ b/pelican-theme/test/blog_pagination/index3.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="prev" href="index2.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/blog_pagination_disabled/index.html b/pelican-theme/test/blog_pagination_disabled/index.html
index 9a80bd31..6770fbb4 100644
--- a/pelican-theme/test/blog_pagination_disabled/index.html
+++ b/pelican-theme/test/blog_pagination_disabled/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/layout/features.html b/pelican-theme/test/layout/features.html
index 2fdee422..59d39022 100644
--- a/pelican-theme/test/layout/features.html
+++ b/pelican-theme/test/layout/features.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Features | Your Brand</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="features.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/layout/guest-post-howto.html b/pelican-theme/test/layout/guest-post-howto.html
index 99a5312a..9e44328e 100644
--- a/pelican-theme/test/layout/guest-post-howto.html
+++ b/pelican-theme/test/layout/guest-post-howto.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Guest post howto | Your Brand</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="guest-post-howto.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/layout/index.html b/pelican-theme/test/layout/index.html
index f1b4fa0a..009bf9e7 100644
--- a/pelican-theme/test/layout/index.html
+++ b/pelican-theme/test/layout/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Your Brand Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="Your Brand Blog" />
diff --git a/pelican-theme/test/layout/showcase-requirements.html b/pelican-theme/test/layout/showcase-requirements.html
index 86b684d9..f4f2de6e 100644
--- a/pelican-theme/test/layout/showcase-requirements.html
+++ b/pelican-theme/test/layout/showcase-requirements.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Showcase requirements | Your Brand</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="showcase-requirements.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/layout_disable_blog_links/index.html b/pelican-theme/test/layout_disable_blog_links/index.html
index 707e4a37..a0c3c646 100644
--- a/pelican-theme/test/layout_disable_blog_links/index.html
+++ b/pelican-theme/test/layout_disable_blog_links/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/layout_disable_fine_print/index.html b/pelican-theme/test/layout_disable_fine_print/index.html
index 37f36c8e..c6787795 100644
--- a/pelican-theme/test/layout_disable_fine_print/index.html
+++ b/pelican-theme/test/layout_disable_fine_print/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/layout_global_social_meta/archives.html b/pelican-theme/test/layout_global_social_meta/archives.html
index 0b57a3a9..c2ed7db7 100644
--- a/pelican-theme/test/layout_global_social_meta/archives.html
+++ b/pelican-theme/test/layout_global_social_meta/archives.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Your Brand Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="http://your.brand/static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="description" content="Your Brand provides everything you&#39;ll ever need." />
diff --git a/pelican-theme/test/layout_global_social_meta/index.html b/pelican-theme/test/layout_global_social_meta/index.html
index ec23f20f..2d4ae2b4 100644
--- a/pelican-theme/test/layout_global_social_meta/index.html
+++ b/pelican-theme/test/layout_global_social_meta/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Your Brand Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="http://your.brand/static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="description" content="Your Brand provides everything you&#39;ll ever need." />
diff --git a/pelican-theme/test/layout_html_escape/index.html b/pelican-theme/test/layout_html_escape/index.html
index c274aede..13246ef3 100644
--- a/pelican-theme/test/layout_html_escape/index.html
+++ b/pelican-theme/test/layout_html_escape/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A &lt;&amp;&gt; blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:site_name" content="A &lt;&amp;&gt; blog" />
diff --git a/pelican-theme/test/layout_minimal/index.html b/pelican-theme/test/layout_minimal/index.html
index 20e852c3..ce3c41fa 100644
--- a/pelican-theme/test/layout_minimal/index.html
+++ b/pelican-theme/test/layout_minimal/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="theme-color" content="#22272e" />
diff --git a/pelican-theme/test/layout_no_footer/index.html b/pelican-theme/test/layout_no_footer/index.html
index 0eacc7ee..41fb00e2 100644
--- a/pelican-theme/test/layout_no_footer/index.html
+++ b/pelican-theme/test/layout_no_footer/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/layout_one_column_navbar/index.html b/pelican-theme/test/layout_one_column_navbar/index.html
index ba89d73f..8b907eef 100644
--- a/pelican-theme/test/layout_one_column_navbar/index.html
+++ b/pelican-theme/test/layout_one_column_navbar/index.html
@@ -1,17 +1,11 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A Pelican Blog" />
-  <meta name="twitter:title" content="A Pelican Blog" />
-  <meta property="og:url" content="./" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="website" />
 </head>
 <body>
 <header><nav id="navigation">
@@ -50,14 +44,5 @@
   </div>
 </div>
 </main>
-<footer><nav>
-  <div class="m-container">
-    <div class="m-row">
-      <div class="m-col-l-10 m-push-l-1">
-        <p>A Pelican Blog. Powered by <a href="https://getpelican.com">Pelican</a> and <a href="http://mcss.mosra.cz">m.css</a>.</p>
-      </div>
-    </div>
-  </div>
-</nav></footer>
 </body>
 </html>
diff --git a/pelican-theme/test/page/page.html b/pelican-theme/test/page/page.html
index 6cfcd871..b3ecc272 100644
--- a/pelican-theme/test/page/page.html
+++ b/pelican-theme/test/page/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_breadcrumb/page.html b/pelican-theme/test/page_breadcrumb/page.html
index 25da2b38..4c076fec 100644
--- a/pelican-theme/test/page_breadcrumb/page.html
+++ b/pelican-theme/test/page_breadcrumb/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Index page &raquo; A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_breadcrumb/subpage.html b/pelican-theme/test/page_breadcrumb/subpage.html
index 1fcaab38..f3da2995 100644
--- a/pelican-theme/test/page_breadcrumb/subpage.html
+++ b/pelican-theme/test/page_breadcrumb/subpage.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Index page &raquo; A page &raquo; Subpage | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="subpage.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_extra_css/page.html b/pelican-theme/test/page_extra_css/page.html
index ed00734e..897030fa 100644
--- a/pelican-theme/test/page_extra_css/page.html
+++ b/pelican-theme/test/page_extra_css/page.html
@@ -1,20 +1,14 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="stylesheet" href="static/m-debug.css" />
   <link rel="stylesheet" href="static/m-grid.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A page" />
-  <meta name="twitter:title" content="A page" />
-  <meta property="og:url" content="page.html" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="page" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/page_global_social_meta/page.html b/pelican-theme/test/page_global_social_meta/page.html
index 5607fa54..99c9bd70 100644
--- a/pelican-theme/test/page_global_social_meta/page.html
+++ b/pelican-theme/test/page_global_social_meta/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_header_footer/page.html b/pelican-theme/test/page_header_footer/page.html
index 7b24f705..79407a79 100644
--- a/pelican-theme/test/page_header_footer/page.html
+++ b/pelican-theme/test/page_header_footer/page.html
@@ -1,20 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="A Pelican Blog" />
-  <meta property="og:title" content="A page" />
-  <meta name="twitter:title" content="A page" />
-  <meta property="og:url" content="page.html" />
-  <meta property="og:description" content="Page content." />
-  <meta name="twitter:description" content="Page content." />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="page" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/page_html_escape/breadcrumb.html b/pelican-theme/test/page_html_escape/breadcrumb.html
index 9b0ad9d6..32fe8fc5 100644
--- a/pelican-theme/test/page_html_escape/breadcrumb.html
+++ b/pelican-theme/test/page_html_escape/breadcrumb.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>And &lt;&amp;&gt; in breadcrumb &raquo; Page with &lt;&amp;&gt; in title | &lt;&amp;&gt; in site name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="breadcrumb.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_html_escape/content.html b/pelican-theme/test/page_html_escape/content.html
index 7d1b1fa5..56be1101 100644
--- a/pelican-theme/test/page_html_escape/content.html
+++ b/pelican-theme/test/page_html_escape/content.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Escaping in content | &lt;&amp;&gt; in site name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="content.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_html_escape/landing.html b/pelican-theme/test/page_html_escape/landing.html
index 550a0821..de2e3849 100644
--- a/pelican-theme/test/page_html_escape/landing.html
+++ b/pelican-theme/test/page_html_escape/landing.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>&lt;&amp;&gt; in site name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="landing.html?and&amp;in&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_html_escape/page.html b/pelican-theme/test/page_html_escape/page.html
index 6fa1d973..aec72cc5 100644
--- a/pelican-theme/test/page_html_escape/page.html
+++ b/pelican-theme/test/page_html_escape/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>Page with &lt;&amp;&gt; in title | &lt;&amp;&gt; in site name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html?and&amp;overriden&amp;url=&#34;&#34;" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_landing/hide-navbar-brand.html b/pelican-theme/test/page_landing/hide-navbar-brand.html
index 95eab1d8..049d3065 100644
--- a/pelican-theme/test/page_landing/hide-navbar-brand.html
+++ b/pelican-theme/test/page_landing/hide-navbar-brand.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="hide-navbar-brand.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_landing/page.html b/pelican-theme/test/page_landing/page.html
index 5ce4c923..0932a266 100644
--- a/pelican-theme/test/page_landing/page.html
+++ b/pelican-theme/test/page_landing/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A page title that displays only in title | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_minimal/page.html b/pelican-theme/test/page_minimal/page.html
index fc5d9416..fdd6c7bf 100644
--- a/pelican-theme/test/page_minimal/page.html
+++ b/pelican-theme/test/page_minimal/page.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <title>A page | A Pelican Blog</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/pelican-theme/test/page_title_sitename_alias/page.html b/pelican-theme/test/page_title_sitename_alias/page.html
index f5fa927f..166a3042 100644
--- a/pelican-theme/test/page_title_sitename_alias/page.html
+++ b/pelican-theme/test/page_title_sitename_alias/page.html
@@ -1,18 +1,12 @@
 <!DOCTYPE html>
-<html lang="en" prefix="og: http://ogp.me/ns#">
+<html lang="en">
 <head>
   <meta charset="UTF-8" />
   <title>Site name</title>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i" />
   <link rel="stylesheet" href="static/m-dark.css" />
   <link rel="canonical" href="page.html" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <meta property="og:site_name" content="Site name" />
-  <meta property="og:title" content="Site name" />
-  <meta name="twitter:title" content="Site name" />
-  <meta property="og:url" content="page.html" />
-  <meta name="twitter:card" content="summary" />
-  <meta property="og:type" content="page" />
 </head>
 <body>
 <header><nav id="navigation">
diff --git a/pelican-theme/test/test_blog.py b/pelican-theme/test/test_blog.py
index 2f01cc25..1e1559d0 100644
--- a/pelican-theme/test/test_blog.py
+++ b/pelican-theme/test/test_blog.py
@@ -30,6 +30,7 @@ class Blog(BlogTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': False,
             'AUTHOR': "Implicit Author",
             'STATIC_PATHS': ['ship.jpg'],
             'M_BLOG_URL': 'archives.html',
@@ -55,7 +56,10 @@ class Minimal(BlogTestCase):
         super().__init__(__file__, 'minimal', *args, **kwargs)
 
     def test(self):
-        self.run_pelican({})
+        self.run_pelican({
+            # There shouldn't be empty meta tags
+            'M_DISABLE_SOCIAL_META_TAGS': False,
+        })
 
         # The summary, content blocks should not be there at all, no mention of
         # authors. Index and archive page should be exactly the same. Header
@@ -124,7 +128,10 @@ class Pagination(BlogTestCase):
                 [(1, 'index.html', '{name}.html'),
                  (2, 'index{number}.html', '{name}{number}.html')],
             'DIRECT_TEMPLATES': ['index', 'archives'],
-            'PAGINATED_DIRECT_TEMPLATES': ['index', 'archives']
+            'PAGINATED_DIRECT_TEMPLATES': ['index', 'archives'],
+
+            # verify that og:url doesn't take pagination into account
+            'M_DISABLE_SOCIAL_META_TAGS': False
         })
 
         # Every page should contain just one article, only the first page
@@ -142,7 +149,10 @@ class Pagination(BlogTestCase):
     def test_categories(self):
         self.run_pelican({
             'DEFAULT_PAGINATION': 1,
-            'DIRECT_TEMPLATES': []
+            'DIRECT_TEMPLATES': [],
+
+            # verify that og:url doesn't take pagination into account
+            'M_DISABLE_SOCIAL_META_TAGS': False
         })
 
         # Test the category pages as well (same as author/tag). Couldn't test
@@ -443,6 +453,7 @@ class HtmlEscape(BlogTestCase):
             'TAG_URL': 'tag-{slug}.html?and&in&url=""',
             'M_LINKS_FOOTER2': [('An <&> in link', '#')],
             'M_SHOW_AUTHOR_LIST': True,
+            'M_DISABLE_SOCIAL_META_TAGS': False, # to verify escaping in these
             'DEFAULT_PAGINATION': 1,
             'PAGINATION_PATTERNS':
                 [(1, 'index.html?and&in&url=""', '{name}.html'),
@@ -474,7 +485,8 @@ class GlobalSocialMeta(BlogTestCase):
             'M_SOCIAL_TWITTER_SITE': '@czmosra',
             'M_SOCIAL_TWITTER_SITE_ID': '1537427036',
             'M_SOCIAL_IMAGE': 'http://your.brand/static/site.png',
-            'M_SOCIAL_BLOG_SUMMARY': 'This is also not displayed anywhere.'
+            'M_SOCIAL_BLOG_SUMMARY': 'This is also not displayed anywhere.',
+            'M_DISABLE_SOCIAL_META_TAGS': False
         })
 
         # Verify that the social meta tags are present in all pages
diff --git a/pelican-theme/test/test_layout.py b/pelican-theme/test/test_layout.py
index 108f5644..1363dad6 100644
--- a/pelican-theme/test/test_layout.py
+++ b/pelican-theme/test/test_layout.py
@@ -101,7 +101,7 @@ class Minimal(MinimalTestCase):
             'PLUGIN_PATHS': ['../pelican-plugins'],
             'PLUGINS': ['m.htmlsanity'],
             'THEME_STATIC_DIR': 'static',
-            'M_CSS_FILES': ['https://fonts.googleapis.com/css?family=Source+Code+Pro:400,400i,600%7CSource+Sans+Pro:400,400i,600,600i',
+            'M_CSS_FILES': ['https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,600,600i',
                'static/m-dark.css'],
             'M_THEME_COLOR': '#22272e'})
 
@@ -128,10 +128,12 @@ class OneColumnNavbar(BaseTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'M_LINKS_NAVBAR1': [
                 ('Features', '#', 'features', []),
                 ('A long item caption that really should not wrap on small screen', '#', '', []),
-                ('Blog', 'archives.html', '[blog]', [])]
+                ('Blog', 'archives.html', '[blog]', [])],
+            'M_FINE_PRINT': None
         })
 
         # The navbar should be full 12 columns
@@ -143,6 +145,7 @@ class NoFooter(BaseTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'M_FINE_PRINT': None
         })
 
@@ -155,6 +158,7 @@ class DisableFinePrint(BaseTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'M_LINKS_FOOTER1': [('Your Brand', 'index.html')],
             'M_FINE_PRINT': None
         })
@@ -169,6 +173,7 @@ class DisableBlogLinks(BaseTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': True,
             'M_LINKS_FOOTER1': [('Your Brand', 'index.html')],
             'M_LINKS_FOOTER4': None,
         })
diff --git a/pelican-theme/test/test_page.py b/pelican-theme/test/test_page.py
index 160ebe0c..3f0fe0bf 100644
--- a/pelican-theme/test/test_page.py
+++ b/pelican-theme/test/test_page.py
@@ -36,6 +36,7 @@ class Page(PageTestCase):
 
     def test(self):
         self.run_pelican({
+            'M_DISABLE_SOCIAL_META_TAGS': False,
             'FORMATTED_FIELDS': ['summary', 'description']
         })
 
@@ -47,7 +48,10 @@ class Minimal(PageTestCase):
         super().__init__(__file__, 'minimal', *args, **kwargs)
 
     def test(self):
-        self.run_pelican({})
+        self.run_pelican({
+            # There shouldn't be empty meta tags
+            'M_DISABLE_SOCIAL_META_TAGS': False,
+        })
 
         # The content and summary meta tag shouldn't be there at all
         self.assertEqual(*self.actual_expected_contents('page.html'))
@@ -57,7 +61,10 @@ class Breadcrumb(PageTestCase):
         super().__init__(__file__, 'breadcrumb', *args, **kwargs)
 
     def test(self):
-        self.run_pelican({})
+        self.run_pelican({
+            # Breadcrumb should not be exposed in social meta tags
+            'M_DISABLE_SOCIAL_META_TAGS': False,
+        })
 
         # Internal links should work and guide the user from one page to
         # another
@@ -93,7 +100,9 @@ class Landing(PageTestCase):
     def test(self):
         self.run_pelican({
             'STATIC_PATHS': ['ship.jpg'],
-            'FORMATTED_FIELDS': ['landing']
+            'FORMATTED_FIELDS': ['landing'],
+            # Verify that the image is propagated to social meta tags
+            'M_DISABLE_SOCIAL_META_TAGS': False,
         })
 
         # The landing field should have the links expanded, header should not
@@ -123,6 +132,8 @@ class HtmlEscape(PageTestCase):
             'SITENAME': "<&> in site name",
             'FORMATTED_FIELDS': ['summary', 'description', 'landing', 'header', 'footer'],
             'PAGE_URL': '{slug}.html?and&in&url=""',
+            # The social meta tags should be escaped properly as well
+            'M_DISABLE_SOCIAL_META_TAGS': False,
         })
 
         # Verify that everything is properly escaped everywhere. The landing
@@ -139,6 +150,8 @@ class HtmlEscape(PageTestCase):
             'SITENAME': "<&> in site name",
             'FORMATTED_FIELDS': ['summary', 'description', 'landing', 'header', 'footer'],
             'PAGE_URL': '{slug}.html?and&in&url=""',
+            # The social meta tags should be escaped properly as well
+            'M_DISABLE_SOCIAL_META_TAGS': False,
         })
 
         # Verify that also the Pelican-produced content has correctly escaped
@@ -155,7 +168,8 @@ class GlobalSocialMeta(PageTestCase):
             'M_SOCIAL_TWITTER_SITE': '@czmosra',
             'M_SOCIAL_TWITTER_SITE_ID': '1537427036',
             'M_SOCIAL_IMAGE': 'http://your.brand/static/site.png',
-            'M_SOCIAL_BLOG_SUMMARY': 'This is also not displayed anywhere.'
+            'M_SOCIAL_BLOG_SUMMARY': 'This is also not displayed anywhere.',
+            'M_DISABLE_SOCIAL_META_TAGS': False,
         })
 
         # Verify that the social meta tags are present
-- 
2.30.2