Matt Hobbs put together this guide on web page test waterfall charts. He pulled together many bits of information into a single blog post.
The article dives in and explains:
- Basic layout of the waterfall chart user interface
- Vertical lines
- Common scenarios, including
- DNS-prefetch
- Preconnect
- Prefetch
- Preloading
- HTTP/1.1 vs HTTP/2
- Online Certificate Status Protocol (OCSP)
- Firefox enhanced tracking protection
… and much more. We liked how he explained OCSP bad performance and how you should look into enabling OCSP stapling on your server. Nice one!
[Read More]