http://www.siemens.com/servers/wwash/

Surf free of ballast
WebWasher is a browser add-on that accelerates the navigation on the Web. The software runs on PCs or servers. 
Benefits of Version 1.0 

Removes advertising on Web pages while you surf. 
Filters pop-up windows, animated images, referer. 
Loads pages faster. 
Saves up to 45% network bandwidth. 
Detailed statistical functions. 
Easy installation. 
Smart Update with push-button upgrade. 
Allows user to run WebWasher as a proxy that others can access. 
Can write a Common Logfile. 
Does not modify any existing winsock DLL or Internet settings/registry. 

System Requirements 
Microsoft Windows 95, Windows 98 or Windows NT4.0 
Original Netscape, Microsoft or Opera browser 

WebWasher requires less than 1 MB free harddisk space 

License 
full version without time limit 
free for personal, non-commercial home use or for educational institutions 
30 day ´Try and Buy´ for business users  $ 0.00

Version 1.0.3