Description of Perl WebStats :
Perl WebStats works well with single sites and server-wide deployments. This script is especially designed to provide traffic analysis reports for web sites. The main features are Pre-built Reports, Subreports, OO Report System. Perl WebStats keeps track of all visitors, referrals, browsing systems, operating systems. The open framework of the script allows easy customisation of report branding as well as look & feel.