<!DOCTYPE html>
<html>
    <head>
        <title>{{ page.title }}</title>
        <!-- link to main stylesheet -->
        <link rel="stylesheet" type="text/css" href="/css/main.css">
    </head>

    <body>
        <nav>
            <ul>
                <li><a href="/">Home</a></li>
                <li><a href="/about">About</a></li>
                <li><a href="/cv">CV</a></li>
                <li><a href="/blog">Blog</a></li>
            </ul>
        </nav>
        
        <div class="container">
        {{ content }}
        </div><!-- /.container -->
        
        <footer>
            <ul>
                <li><a href="mailto:alexander.igorevich.titov@gmail.com">email</a></li>
                <li><a href="https://github.com/alexander-titov">github</a></li>
                <li><a href="https://www.linkedin.com/in/alexander-titov-cpu">linkedin</a></li>
            </ul>
        </footer>
        
    </body>
</html>

<!DOCTYPE html>
<html>
    <head>
        <!-- track user stats via google.analytics.com -->
        {% include google_analytics.html %}
        
        <title>{{ page.title }}</title>
        <!-- link to main stylesheet -->
        <link rel="stylesheet" type="text/css" href="/css/main.css">
    </head>

    <body>
        <nav>
            <ul>
                <li><a href="/">Home</a></li>
                <li><a href="/about">About</a></li>
                <li><a href="/cv">CV</a></li>
                <li><a href="/blog">Blog</a></li>
            </ul>
        </nav>
        
        <div class="container">
        {{ content }}
        </div><!-- /.container -->
        
        <footer>
            <ul>
                <li><a href="mailto:alexander.igorevich.titov@gmail.com">email</a></li>
                <li><a href="https://github.com/alexander-titov">github</a></li>
                <li><a href="https://www.linkedin.com/in/alexander-titov-cpu">linkedin</a></li>
            </ul>
        </footer>
        
    </body>
</html>

Add google_analytics.html to the head tag
Add google_analytics.html to the head tag