<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="google-site-verification" content="5EjeWakXlV47V9wA-E-k22-XwtP1EGjXmTgAhIa6HUM" />
    <link rel="icon" href="{{ '/favicon.png' | prepend: site.baseurl }}">

    <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 %}">

    {% include material-lite.html %}

    <link rel="stylesheet" href="{{ '/css/main.css' | prepend: site.baseurl }}">
    <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 }}" />
    <link rel="stylesheet" href="https://opensource.keycdn.com/fontawesome/4.7.0/font-awesome.min.css" integrity="sha384-dNpIIXE8U05kAbPhy3G1cz+yZmTzA6CY8Vg/u2L9xRnHjJiAK76m2BIEaSEV+/aU" crossorigin="anonymous">
</head>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="google-site-verification" content="5EjeWakXlV47V9wA-E-k22-XwtP1EGjXmTgAhIa6HUM" />
  <link rel="icon" href="{{ '/favicon.png' | prepend: site.baseurl }}">

  <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 %}">

  {% include material-lite.html %}

  <link rel="stylesheet" href="{{ '/css/main.css' | prepend: site.baseurl }}">
  <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 }}" />
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" crossorigin="anonymous">
</head>

Correct Font Awesome CDN link
Correct Font Awesome CDN link
