Testing and Monitoring Ajax Web Application Performance

Web application today are become more rich and complex. For building such application developers are using Ajax and Web 2.0 technologies. This powerful technologies offer advanced features for building user-friendly and highly interactive web applications that are providing quality end-user experience. Deploying web application is a challenge both in assuring that the functionality will be maintained and in guaranteeing that the functionality will be delivered with an acceptable performance. Performance problems can bring all kind of undesired consequences. Performance testing is a type of testing that is performed, from one perspective, to determine how fast some abstract of a system performs under a particular workload. The performance of a web application depends on many factors including the network, the end systems, the application response time and most importantly the end user