Mathias Bynens' optimized Google Universal Analytics snippet. (See http://mathiasbynens.be/notes/async-analytics-snippet)
// Mathias Bynens' optimized Google Universal Analytics snippet.
// http://mathiasbynens.be/notes/async-analytics-snippet
(function(window, document, variableName, scriptElement, firstScript) {
window['GoogleAnalyticsObject'] = variableName;
window[variableName] || (window[variableName] = function() {
(window[variableName].q = window[variableName].q || []).push(arguments);
});
window[variableName].l = +new Date;
scriptElement = document.createElement('script'),
firstScript = document.scripts[0];
scriptElement.src = '//www.google-analytics.com/analytics.js';
firstScript.parentNode.insertBefore(scriptElement, firstScript)
}(window, document, 'ga'));
ga('create', 'UA-XXXX-Y', 'auto');
ga('send', 'pageview');