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performance.now() 2026 — Web Performance Conference

Event artwork for performance.now() 2026 — Web Performance Conference

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About this event

What to expect

performance.now() brings two days of practical web performance insight to Oosterkerk in Amsterdam on 19–20 November 2026.

This single-track conference is built around actionable ideas for creating faster web experiences. Its programme covers:

  • JavaScript and CSS performance
  • Framework performance and performance budgets
  • Monitoring and perceived performance
  • Building a performance culture
  • The post-Core Web Vitals landscape

2026 programme

Announced sessions include Risko Ruus on performance regression testing, Tammy Everts on performance as a journey, Cliff Crocker on Core Mobile Vitals, Pat Meenan on web compression and Tim Vereecke on moving beyond the P75. Other topics include HTTP/3, web-native development, long-term performance, web standards, performance as a design problem, selling web performance and a vibe-coding report.

The line-up also features Alex Russell, Aleth Gueguen, Jeremy Keith, Max Inden, Scott Jehl, Stéphanie Walter, Martin Michálek and Annie Sullivan, with Jason Pamental and Robin Marx serving as MCs. More speakers are still to be announced.

The event is particularly relevant to people working with frontend engineering, web platforms, monitoring, UX and performance strategy. Attend in person to meet fellow practitioners, or follow the conference through its live stream from home or the office. Ticket sales are open.

Get tickets or access the live-stream information

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