Piwik

Chances are, whenever you do anything on any website in the world, Google knows about it. That's because half of the top million sites use Google Analytics to track everywhere you go. Nearly 2/3rds of the top 10,000 sites use Google Analytics. And out of all 186 million active web sites in the world, including a huge number of spam or parked domains, nearly 16 million of them use Google Analytics.