Stoyan Stefanov
Web developer, author, speaker,
Facebook engineer, ex-Yahoo,
creator of smush.it, YSlow 2.0 architect
and guitar virtuoso wannabe
The business, psychology and technology of high-performance web apps
Book of SpeedChapter6 ▼
[INCOMPLETE] Parallel downloads
(or Non-blocking components)
When does JavaScript block other components? When do stylesheets block? Parallel download limits in the browsers.