This is a free website analytic & a free web traffic statistics tool that can track & report all your website & blog visitors in various ways.
With Woopra, webmasters can track over 40 different statistical events and analytics. Many of these data are updated more than once in a day. This is a great tool for bloggers as well.
Woopra creates a one-stop service for monitoring all blogs and websites . Through the quick site tabs at the top of the Woopra panel, you have one-click access to your registered blogs.