{%- if "sphinxext.opengraph" not in _sphinx_extensions -%}
  <meta property="og:type" content="website"/>
  {%- if pageurl %}
  <meta property="og:url" content="{{ pageurl|e }}"/>
  {% endif -%}
  <meta property="og:title" content="{{ title|striptags|e }}"/>
  {%- if meta and meta.cover -%}
  <meta property="og:image" content="{{ meta.cover|e }}"/>
  {%- elif meta and meta.image -%}
  <meta property="og:image" content="{{ meta.image|e }}"/>
  {%- elif theme_og_image_url %}
  <meta property="og:image" content="{{ theme_og_image_url|e }}"/>
  {%- elif logo_url and logo_url.startswith('https://') %}
  <meta property="og:image" content="{{ logo_url|e }}"/>
  {%- endif %}
  {%- if meta and meta.description %}
    <meta name="description" content="{{ meta.description|replace('\n', ' ')|e }}"/>
    <meta property="og:description" content="{{ meta.description|replace('\n', ' ')|e }}"/>
  {%- endif %}
  {%- if meta and meta.cover -%}
    <meta name="twitter:card" content="summary_large_image"/>
  {%- else %}
    <meta name="twitter:card" content="summary"/>
  {%- endif -%}
{%- elif metatags -%}
  {{ metatags }}
{%- endif -%}

{%- if theme_twitter_creator %}
<meta name="twitter:creator" content="@{{ theme_twitter_creator }}"/>
{%- endif %}

{%- if theme_twitter_site %}
<meta name="twitter:site" content="@{{ theme_twitter_site }}"/>
{%- endif %}