Clicky is a web analyzer that works great with any web site, even Ajax and Flash sites. It was originally targeted towards smaller web sites and blogs because it tracks a high level of detail on every visitor, and these types of sites find this information very interesting.

Clicky offers a service for tracking your website visitors with full features. You can fully customize dashboard gives you only what you want, and is positively overflowing with Ajax love.

For free version, you get limited tracking at 1000 page views.

Link : Clicky Web Analytics 2.0
Try the Demo