Freeware hitcounter script which records each pageview on your site with browser, ip and referer. Has a large stats page along with simple functionallity to add it to individual pages aswell.
With this script we will be able to know and show in our pages the number of active visitors in a given moment. The script has two parts: a file name global.asa (check information on "global.asa" file in this tutorial), and a small code you must insert in your pages to show the number of active users.