"Piwik is a free and open source Web analytics software program.
The program provides detailed reports on your website traffic,
including popular reports such as the search engines and keywords
visitors used to find your page, the language they speak, your
popular pages and other analytical reports.
"Piwik is a PHP MySQL software program that Web publishers need
to download and install on your own Web server. After the initial
on any websites you want to track using the Piwik Web analytics