characteristics

As a company or the owner of a website, it is necessary to understand the characteristics of our visitors. The information could be useful to enhance the website itself, or even to create a targeted advertisement. These information including the location and the source of the user visit. In the other hand, the statistics of each page in our website are also important. For example: how often user visit the particular page, which page is the most visited page, where the user usually navigate from one page to another. Then the question remain: how can we gain these information in a nice, simple and easy way?