All web servers track basic information about their visitors. This information includes, but is not limited to, IP addresses, browser details, internet service provider (ISP), date/time stamp, referring pages and possibly the number of clicks.
Controlling Your Privacy
Note that you can change your browser settings to disable cookies if you have privacy concerns. Disabling cookies for all sites is not recommended as it may interfere with your use of some sites. The best option is to disable or enable cookies on a per-site basis. Consult your browser documentation for instructions on how to block cookies and other tracking mechanisms.