site/_includes/_head.html

<meta charset="utf-8">
<title>{% if page.title %}{{ page.title }} &#8211; {% endif %}{{ site.title }}</title>
{% if page.excerpt %}<meta name="description" content="{{ page.excerpt | strip_html }}">{% endif %}
<meta name="keywords" content="{{ page.tags | join: ', ' }}">
{% if page.author %}
  {% assign author = site.data.authors[page.author] %}{% else %}{% assign author = site.owner %}
{% endif %}

{% include _open-graph.html %}

{% 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">

<!-- 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">

<!-- For all browsers -->
<link rel="stylesheet" href="{{ site.url }}/assets/css/main.css">

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

<!-- HTML5 Shiv and Media Query Support -->
<!--[if lt IE 9]>
	<script src="{{ site.url }}/assets/js/vendor/html5shiv.min.js"></script>
	<script src="{{ site.url }}/assets/js/vendor/respond.min.js"></script>
<![endif]-->

<!-- Modernizr -->
<script src="{{ site.url }}/assets/js/vendor/modernizr-2.7.1.custom.min.js"></script>

<!-- <link href='//fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700%7CPT+Serif:400,700,400italic' rel='stylesheet' type='text/css'> -->