_includes/head.html

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
    <meta name="viewport" content="width=device-width">
    <meta name="description" content="{{ site.description }}">
    <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">

    <!-- Custom CSS -->
    <link rel="stylesheet" href="{{ "/css/main.css" | prepend: site.baseurl }}">

    <!-- Google fonts -->
    <link href='http://fonts.googleapis.com/css?family=Roboto:400,300' rel='stylesheet' type='text/css'>

    <!-- Google tracking -->
    <script>
      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

      ga('create', 'UA-46895817-2', 'auto');
      ga('send', 'pageview');

    </script>
    
</head>