Andy Davies & Marcel Duran 
Using WebPageTest [EPUB ebook] 
Web Performance Testing for Novices and Power Users

Learn basic and advanced uses of Web Pagetest, the performance measurement tool for optimizing websites. This practical guide shows users new to this tool how run tests and interpret results, and helps experienced users gain a better and more thorough understanding of hidden features in Web Pagetest that make testing easier.Written by Web Pagetest power users and performance experts, this book will help web developers and frontend engineers solve the problem of slow sites. Topics include:Basic test setupshows beginners how to get meaningful results Advanced test setupprovides another level of technical depth by explaining features not thoroughly documented at webpagetest.org Analysis of resultshelps you understand of how to interpret test results Private instance setupteaches power users the intricacies of the webpagetest private instance and how it works API and external toolsprovides a detailed reference for the API and demonstrates tools already using the API to extend Web Pagetest