Stoyan Stefanov

Web developer, author, speaker, Facebook engineer, ex-Yahoo,
creator of, YSlow 2.0 architect and guitar virtuoso wannabe

The business, psychology and technology of high-performance web apps

Book of Speed turtle

by Stoyan Stefanov


Small, scalable, reusable CSS stylesheets. Problems with CSS that lead to bloated stylesheets. Rethinking CSS. Reusable objects. Cleaning up overqualified selectors. Insight into browser rendering, reflows, repaints.