docs: add a few more Open Graph tags.

diff --git a/_includes/social.html b/_includes/social.html
index c488ea61088263f8de60f411de8e6a5d2521fbf8..35bd9fde3252943314bc2f6b10995619f51c21fc 100644 (file)
--- a/_includes/social.html
+++ b/_includes/social.html
@@ -19,12 +19,17 @@
   <meta property="og:url" content="{{ site.url }}{{ page.url }}">
   <meta property="og:title" content="{{ page.title }}">
   <meta property="og:description" content="{{ page.description }}">
+  <meta property="og:type" content="website">
 {% else %}
   <meta property="og:url" content="{{ site.url }}">
   <meta property="og:title" content="{{ site.title }}">
   <meta property="og:description" content="{{ site.description }}">
 {% endif %}
-<meta property="og:image" content="{{ site.url }}{{ site.social_image_path }}">
+<meta property="og:image" content="{{ site.url | replace: 'https://', 'http://' }}{{ site.social_image_path }}">
+<meta property="og:image:secure_url" content="{{ site.url }}{{ site.social_image_path }}">
+<meta property="og:image:type" content="image/png">
+<meta property="og:image:width" content="1200">
+<meta property="og:image:height" content="630">
 
 <!-- Meta -->
 <meta name="description" content="{{ site.description }}">