_includes/head.html

<head>
  {% include google-analytics.html %}
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta http-equiv="content-language" content="en">

  <meta name="viewport" content="width=device-width, initial-scale=1">

  <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
  <meta name="description" content="{% if page.excerpt %}{{ page.excerpt | strip_html | strip_newlines | truncate: 160 }}{% else %}{{ site.description }}{% endif %}">
  {% if site.author %}<meta name="author" content="{{ site.author }}">{% endif %}
  <meta name="theme-color" content="{{ site.themeColor }}">    
  <link href="https://fonts.gstatic.com" rel="preconnect" crossorigin>

  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700|Roboto+Mono">
  <style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>

  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
  <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
  <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}">
  <meta name="lang:clipboard.copy" content="Copy to clipboard">      
  <meta name="lang:clipboard.copied" content="Copied to clipboard">
  <meta name="lang:search.language" content="en">
  <meta name="lang:search.pipeline.stopwords" content="True">
  <meta name="lang:search.pipeline.trimmer" content="True">
  <meta name="lang:search.result.none" content="No matching documents">
  <meta name="lang:search.result.one" content="1 matching document">
  <meta name="lang:search.result.other" content="# matching documents">
  <meta name="lang:search.tokenizer" content="[\s\-]+">  
  <script src="{{ site.baseurl }}/assets/js/modernizr.74668098.js"></script>
  <link rel="shortcut icon" href="{{ site.baseurl }}/assets/img/favicon.png"> 
  <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/main.css">
  <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/palette.css">