erakii.org

A little bit code modify to be Asynchronous Tracking mode that help to improve the page loading is faster. (Asynchronous tracking is an improved way to track website visitors with Google Analytics. Unlike a traditional installation, asynchronous tracking optimizes how browsers load ga.js so its impact on user experience is minimized. It also allows you to put your Analytics snippet higher in the page without delaying subsequent content from rendering.) 

From: 

To:

$google_analytics_javascript = '
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', ''.$web_property_id.'']);
_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);
})();
</script>
';

 Download Google Analytics in Asynchronous Tracking