application.js

// public/javascripts/application.js
var _gaq = _gaq || [];

$(document).ready(function() {
  _gaq.push(['_setAccount', 'UA-XXXXXXX-1']);
  _gaq.push(['_trackPageview']);
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();
});