<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>{% if page.use-site-title %}{{ site.title }} {{ site.title-separator | default: '-' }} {{ site.description }}{% elsif page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
{% if site.author %}
<meta name="author" content="{{ site.author }}">
{% endif %}
{% if page.subtitle %}
<meta name="description" content="{{ page.subtitle }}">
{% endif %}
<link rel="alternate" type="application/rss+xml" title="{{ site.title | default: 'Untitled' }} {{ site.title-separator | default: '-' }} {{ site.description }}" href="{{ '/feed.xml' | absolute_url }}">
{% include gtag.html %}
{% include gtm_head.html %}
{% include google_analytics.html %}
{% if layout.common-ext-css %}
{% for css in layout.common-ext-css %}
{% include ext-css.html css=css %}
{% endfor %}
{% endif %}
{% if layout.common-css %}
{% for css in layout.common-css %}
<link rel="stylesheet" href="{{ css | relative_url }}">
{% endfor %}
{% endif %}
{% if page.ext-css %}
{% for css in page.ext-css %}
{% include ext-css.html css=css %}
{% endfor %}
{% endif %}
{% if page.css %}
{% for css in page.css %}
<link rel="stylesheet" href="{{ css | relative_url }}">
{% endfor %}
{% endif %}
<!-- Facebook OpenGraph tags -->
{% if site.fb_app_id %}
<meta property="fb:app_id" content="{{ site.fb_app_id }}">
{% endif %}
{% if page.meta-title %}
<meta property="og:title" content="{{ page.meta-title }}">
{% elsif page.title %}
<meta property="og:title" content="{{ page.title }}">
{% elsif site.title %}
<meta property="og:title" content="{{ site.title }}">
{% endif %}
{% if page.meta-description %}
<meta property="og:description" content="{{ page.meta-description }}">
{% elsif page.subtitle %}
<meta property="og:description" content="{{ page.subtitle }}">
{% else %}
<meta property="og:description" content="{{ page.content | strip_html | xml_escape | truncatewords: 50 }}">
{% endif %}
{% if page.id %}
<meta property="og:type" content="article">
<meta property="og:article:author" content="{{ site.author }}">
<meta property="og:article:published_time" content="{{ page.date | date_to_xmlschema }}">
{% else %}
<meta property="og:type" content="website">
{% endif %}
{% if page.id %}
<meta property="og:url" content="{{ page.url | absolute_url }}">
<link rel="canonical" href="{{ page.url | absolute_url }}">
{% else %}
<meta property="og:url" content="{{ page.url | absolute_url | strip_index }}">
<link rel="canonical" href="{{ page.url | absolute_url | strip_index }}">
{% endif %}
{%- capture shareimg -%}
{% if page.share-img %}
{{ page.share-img }}
{% elsif page.cover-img %}
{% if page.cover-img.first %}
{{ page.cover-img[0].first.first }}
{% else %}
{{ page.cover-img }}
{% endif %}
{% elsif page.thumbnail-img %}
{{ page.thumbnail-img }}
{% elsif site.avatar %}
{{ site.avatar }}
{% endif %}
{% endcapture %}
{% assign shareimg=shareimg | strip %}
{% if shareimg != "" %}
<meta property="og:image" content="{{ shareimg | absolute_url }}">
{% endif %}
<!-- Twitter summary cards -->
{% if shareimg != "" and shareimg != site.avatar %}
<meta name="twitter:card" content="summary_large_image">
{% else %}
<meta name="twitter:card" content="summary">
{% endif %}
<meta name="twitter:site" content="@{{ site.social-network-links.twitter }}">
<meta name="twitter:creator" content="@{{ site.social-network-links.twitter }}">
{% if page.meta-title %}
<meta name="twitter:title" content="{{ page.meta-title }}">
{% elsif page.title %}
<meta name="twitter:title" content="{{ page.title }}">
{% else %}
<meta name="twitter:title" content="{{ site.title }}">
{% endif %}
{% if page.meta-description %}
<meta name="twitter:description" content="{{ page.meta-description }}">
{% elsif page.subtitle %}
<meta name="twitter:description" content="{{ page.subtitle }}">
{% else %}
<meta name="twitter:description" content="{{ page.content | strip_html | xml_escape | truncatewords: 50 }}">
{% endif %}
{% if shareimg != "" %}
<meta name="twitter:image" content="{{ shareimg | absolute_url }}">
{% endif %}
{% if site.matomo %}
{% include matomo.html %}
{% endif %}
{% if page.comments and site.staticman.repository and site.staticman.branch %}
<!-- Staticman -->
<link rel="stylesheet" href="{{ "/assets/css/staticman.css" | relative_url }}">
{% endif %}
</head>