High Performance Web Sites and YSlow

Steve Souders explains Yahoo's fourteen best practices for front-end web performance and demonstrates the YSlow analysis tool.

Google Tech Talks November 13, 2007 ABSTRACT Yahoo!'s Exceptional Performance Team has identified 14 best practices for making web pages faster. These best practices have proven to reduce response times of Yahoo! properties by 25-50%. They focus on the front-end, for example, why it's bad to use "@import" for including stylesheets and why ETags disable browser caching. In this talk I'll go in-depth on these best practices and the research behind them. I'll also demonstrate YSlow and do some live performance analysis of popular web sites. Relevant links: Exceptional Performance: developer.yahoo.com/performance/ YSlow: developer.yahoo.com/yslow/ Speaker: Steve Souders Steve Souders holds down the job of Chief Performance Yahoo! at Yahoo! He's been at Yahoo! since 2000, working on many of the platforms and products within the company He ran the development team for My Yahoo! before reaching his current position. As Chief Performance Yahoo!, he has developed a set of best practices for making web sites faster. He builds tools for performance analysis and evangelizes these best practices and tools across Yahoo!'s product teams.