FetchEvent.resultingClientId, set on navigation requests or requests for workers, is the ID of the client, either a document or a worker that is created by the request. This is useful for associating the main resource request for a document with subsequent subresource requests from the document for logging and metrics purposes.



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.

  • Positive
  • No signal
  • Positive


Search tags

service, worker, workers, serviceworker, serviceworkers, navigation, resulting, resultingclientid, client, reserved,

Last updated on 2021-12-13