The 2025 conference is over. But we will return on 19th and 20th of November 2026!
In the mean time, what do you want to do?
Subscribe to updates about performance.now() 2026, 19th and 20th of November. Early-bird tickets, are announced here first.
and/or
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.
Rich Harris:
Fine-grained everything
Tammy Everts:
How fast is fast enough?
Phil Hawksworth:
MC
Michael Hladky:
Zero-JS, Virtual Scrolling, CSS
Vinicius Dallacqua:
DevTools, AI, Insights
Marcy Sutton Todd:
Accessibility and Performance
Barry Pollard:
Speculations about webperf
Michal Mocny:
Measuring Interactions and Navigations
Umar Hansa:
Modern Performance Workflows
Harry Roberts:
Think Like a Performance Engineer
Ethan Gardner:
Making Performance Allies
Tim Kadlec:
MC
Ines Akrap:
Fast, green, responsible
Nadia Makarevich:
React, Rendering, Performance
Andy Davies:
LoAF