Google Analytics Extensive Tracking Analysis of Websites

Google Analytics track and compare all your ads, email newsletters, affiliate campaigns, referrals, paid links, and keywords on Google and other search engines. Use Google Analytics to learn which online marketing initiatives are cost effective and see how visitors actually interact with your site. Make informed site design improvements, drive targeted traffic, and increase your conversions and profits. It also tells you how much visitors you have got every day. It is very useful and easy to use.

Requirements: No Requirements
Demo: http://www.google.com/analytics
License: License Free