" property="og:description">
        {% else %}
          <meta content="{{ site.description }}" property="og:description">
        {% endif %}
        {% if page.url %}
          <meta content="{{ site.url }}{{ page.url }}" property="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 %}
 