diff --git a/_app/_includes/themes/curtana/includes/open-graph.html b/_app/_includes/themes/curtana/includes/open-graph.html
index 3f11fbf9b..08e9cd88c 100644
--- a/_app/_includes/themes/curtana/includes/open-graph.html
+++ b/_app/_includes/themes/curtana/includes/open-graph.html
@@ -7,17 +7,21 @@
 <meta property="og:title" content="{{ amsf_page_title }}">
 <meta property="og:url" content="{{ amsf_page_url }}">
 <meta property="og:description" content="{{ amsf_site_desc | strip }}">
-<meta property="article:published_time" content="{{ amsf_page_pubdate | date_to_xmlschema }}">
-<meta property="article:modified_time" content="{{ amsf_page_update | date_to_xmlschema }}">
 
 <meta name="twitter:card" content="summary">
 <meta name="twitter:title" content="{{ amsf_page_title }}">
 <meta name="twitter:url" content="{{ amsf_page_url }}">
 <meta name="twitter:description" content="{{ amsf_site_desc | strip }}">
-<meta name="twitter:label1" value="Words">
-<meta name="twitter:data1" value="{{ amsf_page_words | strip }}">
-<meta name="twitter:label2" value="Reading time">
-<meta name="twitter:data2" value="{{ amsf_page_reading_time | strip }}">
+
+{% if page.path contains '_posts' %}
+  <meta property="article:published_time" content="{{ amsf_page_pubdate | date_to_xmlschema }}">
+  <meta property="article:modified_time" content="{{ amsf_page_update | date_to_xmlschema }}">
+
+  <meta name="twitter:label1" value="Words">
+  <meta name="twitter:data1" value="{{ amsf_page_words | strip }}">
+  <meta name="twitter:label2" value="Reading time">
+  <meta name="twitter:data2" value="{{ amsf_page_reading_time | strip }}">
+{% endif %}
 
 {% if site.twitter %}
   <meta name="twitter:site" content="@{{ site.twitter }}">