templates/layouts/master.twig
<!DOCTYPE html>
<html>
<head>
{% block head %}
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>{% block title %}{{ entry.seoTitle is defined ? entry.seoTitle : app['site.title'] }}{% endblock title %}</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
{% if description is defined %}
<meta name="Description" content="{{ description }}">
{% elseif app['site.meta_description'] is defined %}
<meta name="Description" content="{{ app['site.meta_description'] }}">
{% endif %}
<meta name="author" content="{{ app['site.author'] }}">
{% endblock head %}
</head>
<body>
<header id="site-header">
{% block header %}
<p id="site-title"><a href="{{ url('home') }}">{{ app['site.title'] }}</a></p>
<p id="site-tagline">{{ app['site.tagline'] }}</p>
{% endblock header %}
</header>
{% block content %}
{% endblock content %}
<footer id="site-footer">
{% block footer %}
{% block scripts %}
<script>
var _gaq=[['_setAccount','{{ app['site.ga_tracking_id'] }}'],['_trackPageview']];
(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
g.src='//www.google-analytics.com/ga.js';
s.parentNode.insertBefore(g,s)}(document,'script'));
</script>
{% endblock scripts %}
{% endblock footer %}
</footer>
</body>
</html>