Performance simply matters. Technology may allow us to go bigger, but maybe not necessarily be better when it comes to performance. Now is the time to utilize the amazing tools that are available for making websites faster, and to learn how to improve user experience and satisfaction. This is a practical collection of tutorials on some of the most popular and powerful website performance tools available. It’s packed with useful, real world hints and tips that you can use on your sites today. It contains: 23 Development Tools for Boosting Website Performance by Ahmed BouchefraImproving Page Load Performance: Pingdom, YSlow and GTmetrix by Tonino JankovPHP-FPM Tuning: Using pm static for Max Performance by Hayden JamesOptimization Auditing: A Deep Dive into Chrome’s Dev Console by Ahmed BouchefraPerformance Auditing: A Firefox Developer Tools Deep Dive by Ahmed BouchefraWeb App Performance Testing with Siege: Plan, Test, Learn by Zoran Antolovic This book is for all developers whio wish to build sites and apps that run faster. It covers a range of performance tools; some familiarity with web performance terms and techniques is assumed.