Stoyan Stefanov
@stoyan.me
stoyan.me, PerfPlanet, "JavaScript Patterns", "React: Up & Running", YSlow, SmushIt. Formerly of Facebook, WebPageTest, Yahoo
See you soon, I speculate, in front of a random Rembrandt or any of the various Vermeers
October 26, 2025 at 4:44 PM
See you soon, I speculate, in front of a random Rembrandt or any of the various Vermeers
Early bird gets the… pickled herring ;)
October 26, 2025 at 4:04 PM
Early bird gets the… pickled herring ;)
most up and coming: most up and coming: calendar.perfplanet.com/2022/a-perfo... by @screenspan.net
A Performance Maturity Matrix
Optimizing the performance of a digital product goes beyond technical tweaks. You have to make systematic changes to the organization behind it. So how to know what part of the system to work on first...
calendar.perfplanet.com
April 9, 2025 at 12:13 AM
most up and coming: most up and coming: calendar.perfplanet.com/2022/a-perfo... by @screenspan.net
^^^ Dunning-Kruger in action: if you point someone else's lack of ALT text, you inevitably forget your ALT text too
April 8, 2025 at 5:47 PM
^^^ Dunning-Kruger in action: if you point someone else's lack of ALT text, you inevitably forget your ALT text too