Statcounter.com

Since the latest release, StatCounter has quietly worked its way to the top in our tracker list. There is only one drawback with StatCounter, and that is that there are not as many options as some of the competitors are providing. But you can put it invisibly on your website and the statistics are protected by password.

Statcounter is the best free visitor tracker with regard to manipulation of your charts and tables. You are basically free in determining date ranges and units, i.e. choose to display counts per day, month, week, quarter or year, and then select your own start and end dates for the analysis. Very neat!

Detailed statistics are based on the last 500 visitors, overall statistics however are generated from all visits to your site ever.