Google Analytics that uses Steve Souders async loading techniques

gistfile1.js

var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-XXXXX-X']);
_gaq.push(['_trackPageview']);

(function() {
var ga = document.createElement('script');
ga.src = ('https:' == document.location.protocol ?
    'https://ssl' : 'http://www') +
    '.google-analytics.com/ga.js';
ga.setAttribute('async', 'true');
document.documentElement.firstChild.appendChild(ga);
})();