More on Google Analytics:
Google Analytics is a free tool that tracks website activity by your users. Google Analytics provides many reports like number of visitors, where they came from geographically, what sources brought them to your website, and much more. For a quick product tour on “Beginning Analytics” go to: http://bit.ly/oKVmBu
Once you sign up for a free Google Analytics account, go into the CMS, go to the
“Site Options” tab, the "Site Name" tab and enter the code there.