How we built it


PerformanceResourceTiming.workerStart attribute allows developers to instrument and measure ServiceWorker startup time.


Working draft or equivalent

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 46
  • Chrome for Android release 46
  • Android WebView release 46
  • Opera release 33
  • Opera for Android release 33

Consensus & Standardization

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


Last updated on 2015-08-14