Event Timing Web Perf API

Monitoring event latency today requires an event listener. This precludes measuring event latency early in page load, and adds unnecessary performance overhead. The Event Timing API will enable web developers to measure event latency both before and after the page load.

Status in Chromium


Origin trial (tracking bug) in:

  • Chrome for desktop release 68
  • Chrome for Android release 68

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No public signals
  • No public signals
  • No public signals
  • No signals


Last updated on 2019-02-01