Worst of all, the DNS (Domain NameServer) computers used by your ISP can be overwhelmed as they try to translate the names of all the websites subscribers want to visit (say, www.economist.com) into their actual internet addresses (216.35.68.215).
TweakDUN: Improve the speed of your dial-up connection by adjusting the Windows 95 MTU. TweakDUN also lets you create and edit a host file, which can dramatically speed up Web browsing: Instead of contacting a domainnameserver to look up every IP address, your browser will cache them on your hard drive.