1. A method for controlling a web farm having a plurality of websites and servers, the method comprising: categorizing customer requests received from said websites into a plurality of categories, said categories comprising a shareable customer requests and unshareable customer requests; routing said shareable customer requests such that any of said servers may process shareable customer requests received from different said websites; and routing said unshareable customer requests from specific said websites only to specific servers to which said specific websites have been assigned.