Whether you are website professional or beginner in web designing and maintenance field or simply an owner of blog, website performance is always a crucial factor for the success of a website.
Yahoo! released YSlow, a FireBug plugin several years ago. This tool can be used to analyze your Web pages for performance problems. Among the things that YSlow can do includes measuring page-load time, and beaconing its results back to a home server.
Since then, the front-end performance discipline has grown significantly with page-speed and page-test tools, and also services that trend the results of these tests over time. More...
