In addition to their internet search engine, Google offer a wide range of products to assist web site owners get the most from their site.

A small piece of code, added to the pages on your website, enables Google Analytics to provide reports regarding the site's visitors. 

Using the program, you'll be able to see, how many people visit your site, which pages they viewed, how they found the site and which keywords they used if a Search Engine was used.  This however is just the tip of the iceberg and you'll be amazed at what information can be made available.

Read more about Google Analytics