hacks-guide-minimal-mistakes-theme/_includes/head.html

<meta charset="utf-8">
<title>{% if page.title %}{{ page.title }} &#8211; {% endif %}{{ site.title }}</title>
<meta name="description" content="{{ page.description }}">
<meta name="keywords" content="{{ page.tags | join: ', ' }}">
{% if site.owner.twitter %}<!-- Twitter Cards -->
{% if page.image.feature %}<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="{{ site.url }}/images/{{ page.image.feature }}">
{% else %}<meta name="twitter:card" content="summary">
<meta name="twitter:image" content="{% if page.image.thumb %}{{ site.url }}/images/{{ page.image.thumb }}{% else %}{{ site.url }}/images/{{ site.logo }}{% endif %}">{% endif %}
<meta name="twitter:title" content="{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}">
<meta name="twitter:description" content="{% if page.description %}{{ page.description }}{% else %}{{ site.description }}{% endif %}">
<meta name="twitter:creator" content="@{{ site.owner.twitter }}">{% endif %}

<!-- Open Graph -->
<meta property="og:locale" content="en_US">
<meta property="og:type" content="article">
<meta property="og:title" content="{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}">
<meta property="og:description" content="{% if page.description %}{{ page.description }}{% else %}{{ site.description }}{% endif %}">
<meta property="og:url" content="{{ site.url }}{{ page.url }}">
<meta property="og:site_name" content="{{ site.title }}">

{% if site.google_verify %}<!-- Webmaster Tools verfication -->
<meta name="google-site-verification" content="{{ site.google_verify }}">{% endif %}
{% if site.bing_verify %}<meta name="msvalidate.01" content="{{ site.bing_verify }}">{% endif %}

{% capture canonical %}{{ site.url }}{% if site.permalink contains '.html' %}{{ page.url }}{% else %}{{ page.url | remove:'index.html' | strip_slash }}{% endif %}{% endcapture %}
<link rel="canonical" href="{{ canonical }}">
<link href="{{ site.url }}/feed.xml" type="application/atom+xml" rel="alternate" title="{{ site.title }} Feed">
{% if site.owner.google_plus %}<link rel="author" href="{{ site.owner.google_plus }}?rel=author">{% endif %}

<!-- http://t.co/dKP3o1e -->
<meta name="HandheldFriendly" content="True">
<meta name="MobileOptimized" content="320">
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<!-- Google Webfonts -->
<link href='http://fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700|PT+Serif:400,700,400italic' rel='stylesheet' type='text/css'>
<!-- For all browsers -->
<link rel="stylesheet" href="{{ site.url }}/assets/css/main.min.css">

<!--[if (lt IE 9) & (!IEMobile)]>
<link rel="stylesheet" href="{{ site.url }}/assets/css/ie.min.css">
<![endif]-->

<meta http-equiv="cleartype" content="on">

<!-- Load Modernizr -->
<script src="{{ site.url }}/assets/js/vendor/modernizr-2.6.2.custom.min.js"></script>

<!-- Icons -->
<!-- 16x16 -->
<link rel="shortcut icon" href="{{ site.url }}/favicon.ico">
<!-- 32x32 -->
<link rel="shortcut icon" href="{{ site.url }}/favicon.png">
<!-- 57x57 (precomposed) for iPhone 3GS, pre-2011 iPod Touch and older Android devices -->
<link rel="apple-touch-icon-precomposed" href="{{ site.url }}/images/apple-touch-icon-precomposed.png">
<!-- 72x72 (precomposed) for 1st generation iPad, iPad 2 and iPad mini -->
<link rel="apple-touch-icon-precomposed" sizes="72x72" href="{{ site.url }}/images/apple-touch-icon-72x72-precomposed.png">
<!-- 114x114 (precomposed) for iPhone 4, 4S, 5 and post-2011 iPod Touch -->
<link rel="apple-touch-icon-precomposed" sizes="114x114" href="{{ site.url }}/images/apple-touch-icon-114x114-precomposed.png">
<!-- 144x144 (precomposed) for iPad 3rd and 4th generation -->
<link rel="apple-touch-icon-precomposed" sizes="144x144" href="{{ site.url }}/images/apple-touch-icon-144x144-precomposed.png">