performance.sync() 2024
2024-11-13
Amsterdam, Netherlands
as the organisers put it
On 19th and 20th of November 2026, the seventh edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.
who it's for
web performance engineers, frontend engineers, browser engineers, site reliability engineers, analytics engineers, engineering managers
topics
Firefox Profiler shareable URLs; Chrome profile import extension; drag-and-drop perf data; unattributed navigation overhead; service worker startup cost; INP interaction metric; long animation frame attribution; hydration duration reduction; cookie banner early display; stale-while-revalidate caching; popover attribute UI patterns; RUM incident monitoring and alerts
| title | author | length |
|---|---|---|
| Nazım Can Altınova at performance.sync() | Nazım Can Altınova | 14m |
Firefox Profiler captures and shares exact profiling views so collaborators see the same zoom range, tab, and filters — upload creates a sharable URL that… | ||
| Tim Vereecke at performance.sync() | Tim Vereecke | 09m |
Claim: unattributed navigation overhead (UNO) often adds seconds to Time to First Byte because RUM drops cross‑origin redirects and service worker startup… | ||
| Jacob Groß at performance.sync() | Jacob Groß | 12m |
Framer shows concrete wins: making the cookie banner appear earlier and cutting hydration duration and cookie start time yields a measured 50% faster load for… | ||
| Vinicius Dallacqua at performance.sync() | Vinicius Dallacqua | 18m |
Claim: INP replaces FID and scores session-wide responsiveness by the worst interaction (or the 50th for very interactive sites), so it actually measures… | ||
| Gustav Ernberg von Heijne at performance.sync() | Gustav Ernberg von Heijne | 14m |
Claims and concrete fixes: adding one second of latency measurably reduces viewable impressions and revenue from a global experiment, a publisher removing 2… | ||
| Hidde de Vries at performance.sync() | Hidde de Vries | 07m |
Claim: new web platform features cut bundle size by letting the browser provide common UI. Examples: the popover attribute gives light-dismiss, keyboard… | ||
| Brian Louis Ramirez at performance.sync() | Brian Louis Ramirez | 16m |
A project monitors customer sites for RUM incidents and regressions, proving that specific incidents beat broad topic scans: an actual mobile Safari crash is… | ||
| nothing matches | ||