As we have discussed in this chapter, performance is a critically important aspect of any application and represents yet another facet of the overall quality of software applications. Developers must understand common Web performance problems, their respective mitigation strategies, and the importance of establishing and maintaining a performance excellence program within their day-to-day software engineering processes. Incorporating these processes and best practices into the application development life cycle will definitely yield higher quality, better performing user experiences for any Web-based software application.