A system for and method of enhancing web page delivery and visitor tracking. The invention provides the ability to control redirection of Web traffic of humans. It can identify visitors to a Web page, track their movements, log critical information, and analyze the Web traffic in order to judge the success in driving quality traffic to some known goal on a Web site, such as a sale. The system tracks visitors via use of redirection with an image tag. The invention can also use unique image marker references to prevent browsers from accessing cached images.