In this paper,by combining the research and practice of community policing management system,I have discussed the common characteristics of the performance problems in WEB system as well as the system itself and also analysised the factors of affecting the performance of systems,to find out the bottleneck of the system performance and put forward many specific perfor mance optimization schemes and technologies apply to WEB application systems.Such as: application of index technology,convert dynamic webpage to static,cache technology and load b...