Previously, technical limitations prevented service workers from receiving FetchEvents for favicon requests. Now, service workers receive FetchEvents as long as the request URL is on the same-origin as the service worker.


Specification link

Specification being incubated in a Community Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

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

  • No signal
  • No signal
  • No signals


Search tags

service, worker, workers, serviceworker, serviceworkers, favicon,

Last updated on 2021-12-13