The 2025 conference is over. But we will return on 19th and 20th of November 2026!
While waiting for November, what do you want to do?
Subscribe to updates about performance.now() 2026, 19th and 20th of November. Early-bird tickets are first announced on this mailing list.
Or maybe watch the 2025 sessions or admire the 2025 team photos?
performance.now() is the
web performance conference. Our speakers will teach you, and your
performance-mad peers will talk to you. And talk to you.
And you'll love every minute of it.
performance.now() is a single track conference covering today’s most important web performance insights. Our speakers offer practical, actionable take-aways about
... gives you something to stare at while we work on 2026.
Marcy Sutton Todd:
Accessibility and Performance
Harry Roberts:
Think Like a Performance Engineer
Michael Hladky:
Zero-JS, Virtual Scrolling, CSS
Andy Davies:
LoAF
Michal Mocny:
Measuring Interactions and Navigations
Ines Akrap:
Fast, green, responsible
Umar Hansa:
Modern Performance Workflows
Rich Harris:
Fine-grained everything
Barry Pollard:
Speculations about webperf
Ethan Gardner:
Making Performance Allies
Tammy Everts:
How fast is fast enough?
Nadia Makarevich:
React, Rendering, Performance
Tim Kadlec:
MC
Vinicius Dallacqua:
DevTools, AI, Insights
Phil Hawksworth:
MC