src/js/lib/ga.js

(function(i, s, o, g, r, a, m) {
i['GoogleAnalyticsObject']=r; i[r]=i[r]||function() {
  (i[r].q=i[r].q||[]).push(arguments);
}, i[r].l=1*new Date(); a=s.createElement(o),
  m=s.getElementsByTagName(o)[0]; a.async=1; a.src=g; m.parentNode.insertBefore(a, m);
})(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');

ga('create', 'UA-48530561-1', 'auto');
ga('send', 'pageview');