Before this feature, update() always bypassed the browser cache. Now, it only does so if the previous update check occurred over 24 hours ago.



Working draft or equivalent

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 48
  • Chrome for Android release 48

Consensus & Standardization

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

  • No signal
  • Shipped/Shipping
  • No signal
  • No signals


Search tags

service, worker, serviceworker, update, registration,

Last updated on 2020-11-09