<head>

{% if site.google_analytics.enable %} {% include google-analytics.html %} {% endif %}
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">

<title>
  {% if page.title %}{{ page.title | escape }}{% else %}{{ site.title | escape }}{% endif %}
  {% if site.slogan and page.url == '/' %} | {{ site.slogan | escape }}{% endif %}
</title>
<link rel="alternate" type="application/rss+xml" title="RSS feed for {{ site.title | escape }}" href="{{ site.url }}/feed">
{% if page.tags != null %}
  <meta name="keywords" content="{{ page.tags }}">
{% endif %}
<meta name="description" content="{{ page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape }}">

<link rel="stylesheet" href="/assets/main.css">

<link rel="shortcut icon" href="/assets/avatar.png">
<link rel="icon" href="/assets/icons/zddhub_192.png" sizes="192x192">
<link rel="icon" href="/assets/icons/zddhub_144.png" sizes="144x144">
<link rel="icon" href="/assets/icons/zddhub_32.png" sizes="32x32">
<link rel="icon" href="/assets/icons/zddhub_16.png" sizes="16x16">

<link rel="apple-touch-icon-precomposed" href="/assets/icons/zddhub_180.png">
<link rel="apple-touch-icon" href="/assets/icons/zddhub_300.png">
<link rel="apple-touch-icon" href="/assets/icons/zddhub_152.png">
<link rel="apple-touch-icon" href="/assets/icons/zddhub_167.png">
<link rel="apple-touch-icon" href="/assets/icons/zddhub_180.png">
<link rel="apple-touch-icon" href="/assets/icons/zddhub_144.png">

<link rel="mask-icon" href="/assets/icons/safari-pinned-tab.svg" color="#5bbad5">
<meta name="theme-color" content="#ffffff">
<link rel="manifest" href="/assets/icons/manifest.json">
<meta name="msapplication-TileImage" content="{{ site.url }}/assets/icons/zddhub_270.png">

<link rel="canonical" href="{{ page.url | replace:'index.html','' | absolute_url }}">

<script data-ad-client="ca-pub-1326478359331739" async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>

{% seo %}

</head>