Fast asynchronous Plugin.

Install the plugin and it will do it place the code in every page for you!

The tracking code is profile-specific, which is why you can only access it via the Profile Settings page for a specific profile. You'll need to update the "xxxx-x" in the sample below with your own Google Analytics account number found in your personalized Google Analytics Tracking Code.

From the Google Site it says the following, and this plugin will do it for you inside joomla:

or

Just Paste this code on your site:
Copy the following code, then paste it onto every page you want to track immediately before the /body tag...


var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));


try {
var pageTracker = _gat._getTracker("UA-15240440-1");
pageTracker._trackPageview();
} catch(err) {}