The Web Performance Handbook: A guide to web performance optimization core concepts and techniques

The Web Performance Handbook is a toolkit for making websites faster. You’ll be introduced to the core concept of web performance, as well as techniques to speed the delivery of your web app, decrease rendering time, and reduce your app’s digital footprint. The Web Performance Handbook is both an introductory look at web performance, how it works, why it’s important, and a technical companion for engineers working to improve the web.