A practical book on website performance for web developers, concentrating mainly on front-end performance improvement. It covers plenty of solid theory, but is also packed with useful, real world hints and tips that you can use on your sites today. Topics covered include: User experience, design and performanceMeasuring and monitoring performanceSetting up a page weight budgetNetwork and server improvementsOptimizing images and videoOptimizing scripts and third party contentLean DOM operations The book also comes with a handy cheat sheet summarizing many of the key tips contained within the book.