Google Analytics is a free service - offered by Google – that shows you detailed statistics on the visitors of your website.
With the help of Google Analytics you can collect and analyze the behavior of the visitors. You can see how many visitors your website had at a specific time, which search engines visitors used, or which key words people used to find what they wanted.
With the help of all the collected information you can optimize your website and reach goals - such as number of visitors – much easier. The service can be set up and used easily.