Abstract: The present invention is a system for running a plurality of different web sites requiring different resource applications wherein each of the resource applications are run in an optimized environment. The system includes a web server having a web server application resident thereon. A plurality of web sites are resident on the web server, the web sites having a plurality of different resource request generators for generating a plurality of different types of resource requests. Each type of resource request requires a particular resource application. A first back end server is operatively coupled to the web server, the first back end server running a first operating environment optimized to run a first group of resource applications resident on the first back end server.