Update Open Graph and Twitter metadata to prepend base URL; adjust og_image dimensions in index.html.

Author: smelamud

_includes/preamble.html

@@ -22,7 +22,7 @@
     <meta property="og:title" content="{{ page.og_title }}">
 {% endif %}
 {% if page.og_image %}
-    <meta property="og:image" content="{{ page.og_image }}">
+    <meta property="og:image" content="{{ page.og_image | prepend: site.baseurl }}">
 {% endif %}
 {% if page.og_image_type %}
     <meta property="og:image:type" content="{{ page.og_image_type }}">
@@ -49,7 +49,7 @@
     <meta name="twitter:description" content="{{ page.og_description }}">
 {% endif %}
 {% if page.og_image %}
-    <meta name="twitter:image" content="{{ page.og_image }}">
+    <meta name="twitter:image" content="{{ page.og_image | prepend: site.baseurl }}">
 {% endif %}
 
 <script src="https://kit.fontawesome.com/18f0b9d11e.js" crossorigin="anonymous"></script>

index.html

@@ -6,8 +6,8 @@
 og_title: Moera
 og_image: /assets/images/site-image.jpg
 og_image_type: image/jpeg
-og_image_width: 2880
-og_image_height: 1694
+og_image_width: 1200
+og_image_height: 706
 og_description: The Best Decentralized Social Network
 og_site_name: Moera
 ---