ds" content="{% if page.title == " Home
    " %}{% for tag in site.keywords %}{{ tag }}, {% endfor %}{% else %}{% for tag in page.tags %}{{ tag }}, {% endfor %}{% endif %}">
  <meta name="author" content="{{site.author.name}}"> {% seo %} {% if page.date %}
  <meta property="article:modified_time" content="{% if page.last_modified_at %}{{ page.last_modified_at | date_to_xmlschema }}{% else %}{{ page.date | date_to_xmlschema }}{% endif %}">
  <meta property="article:published_time" content="{{ page.date | dat