{% if site.google_analytics_tracking_id %}
<script>
  var _gaq=[['_setAccount','{{ site.google_analytics_tracking_id }}'],['_trackPageview']];
  (function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
  g.src=('https:'==location.protocol?'//ssl':'//www')+'.google-analytics.com/ga.js';
  s.parentNode.insertBefore(g,s)}(document,'script'));
</script>
{% endif %}