Add opengraph meta tags to head section.

2 files changed, 15 insertions, 0 deletions

diff --git a/blog/_includes/head.html b/blog/_includes/head.html
index 1d66aa8..e345ae5 100644
--- a/blog/_includes/head.html
+++ b/blog/_includes/head.html
@@ -9,6 +9,7 @@
      {% endif %}
    </title>
    <meta name="description" content="{{ site.description }}">
+   {% include opengraph.html %}
    <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl_root | prepend: site.url }}">
    {% stylesheet main %}
 </head>
diff --git a/blog/_includes/opengraph.html b/blog/_includes/opengraph.html
new file mode 100644
index 0000000..46b099a
--- /dev/null
+++ b/blog/_includes/opengraph.html
@@ -0,0 +1,14 @@
+{% if page.title %}
+  <meta property="og:title" content="{{ page.title }}">
+{% endif %}
+<meta property="og:type" content="article">
+<meta property="og:url" content="{{ page.url | prepend: site.baseurl }}">
+<meta property="og:site_name" content="{{ site.title }}">
+{% if page.excerpt %}
+  <meta property="og:description" content="{{ page.excerpt | strip_html }}">
+{% else %}
+  <meta property="og:description" content="{{ site.description }}">
+{% endif %}
+{% if page.page-image %}
+  <meta property="og:image" content="{{ page.page-image | prepend: site.baseurl }}">
+{% endif %}