invisible counters

[yusticia]

You can Use AWStat to analyze your visitor, here download link : http://awstats.sourceforge.net/ It is free open source.

Yes it is the best of free counter that able to analyze of visitor.

[nirose]

Invisible counters monitor different things they are set to do like Google analytics records different page visits and keywords, Referral site and all and i dont think that the counters will slow down the site at all. They are just a simple scripts that run on your site.

[MelissaChemysis]

I didn't even know this was possible xD
Wanted to do this on a website as well ^^