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/ Amsterdam, Online

the web performance conference

30th and 31st of October, 2025

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 JavaScript and CSS performance, performance of popular frameworks, performance culture, performance budgets, perceived performance, performance monitoring, and the post-Core-Web-Vital world

Stream performance.now() live, then get catchup videos, all for just €129

Get full on-demand access to performance.now() right now, exclusively on Conffab. Sign Up Now for €129

Upgrade for more

  • performance.now() plus 12 months of Conffab Pro (€249): access the full on‑demand library
  • performance.now() plus 12 months of Conffab (€595): everything in Pro + all livestreams for a full year
Digital Pass + Conffab Pro + Conffab Premium
performance.now() livestream and catchup performance.now() livestream and catchup performance.now() livestream and catchup
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12 months of live streams
€129 €249 €595
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