The tracking code runs in the client browser when the client browses the page and collects visitor data and sends it to a Google data collection server as part of a request for a web beacon. It’s a service offered by Google that generates detailed statistics about website traffic and traffic sources while measuring conversions and sales.
In addition, Google Analytics for Mobile Package allows Google Analytics to be applied to mobile websites. The Mobile Package contains server-side tracking codes that use PHP, JavaServer Pages, ASP.NET, or Perl for its server-side language. We want to provide you with statistics that will help you understand the traffic flow of your website.