diff --git a/_includes/seo.html b/_includes/seo.html
index 5acd622..2b34d81 100644
--- a/_includes/seo.html
+++ b/_includes/seo.html
@@ -64,15 +64,16 @@
 <meta property="og:site_name" content="{{ site.title }}">
 <meta property="og:title" content="{{ page.title | default: site.title | markdownify | strip_html | strip_newlines | escape_once }}">
 <meta property="og:url" content="{{ canonical_url }}">
+<meta property="og:type" content="website" />
 
 {% if page.excerpt %}
   <meta property="og:description" content="{{ seo_description }}">
 {% endif %}
 
 {% if page_large_image %}
-  <meta property="og:image" content="{{ page_large_image }}">
+  <meta property="og:image:secure_url" itemprop="image" content="{{ page_large_image }}">
 {% elsif page_teaser_image %}
-  <meta property="og:image" content="{{ page_teaser_image }}">
+  <meta property="og:image:secure_url" itemprop="image" content="{{ page_teaser_image }}">
 {% endif %}
 
 {% if site.twitter.username %}