perty="og:url" />
{% endif %} {% if page.date %}
<meta
  content="{{ page.date | date_to_xmlschema }}"
  property="article:published_time"
/>
<meta content="{{ site.url }}/about/" property="article:author" />
{% endif %} {% if page.image %}
<meta
  content="{{ site.url }}/posts/images/{{ page.image }}"
  property="og:image"
/>
{% else %}
<meta content="{{'/assets/img/icon.png' | absolute_url}}" property="og:image" />
{% endif %} {% if page.categories %} {% for category in page.categories limit:1
%}
<meta co