Add `finalResponseHeadersStart` to resource timing

noamr commented 2 weeks ago

Request for Mozilla Position on an Emerging Web Specification

Specification title: Add finalResponseHeadersStart to resource timing
Specification or proposal URL (if available): https://w3c.github.io/resource-timing/
Explainer URL (if available):
Proposal author(s) (@-mention GitHub accounts): @noamr @tunetheweb
Caniuse.com URL (optional):
Bugzilla URL (optional):
Mozillians who can provide input (optional): @sefeng211, Bas Schouten (not sure re the github handle?)
WebKit standards-position:

Other information

This was resolved in the WebPerfWG meeting, see minutes.

tunetheweb commented 2 weeks ago

Bas Schouten (not sure re the github handle?)

I think it's @Bas-moz

sefeng211 commented 2 weeks ago

finalResponseHeadersStart is the timing when the last response came. This is useful to see the timing differences for cases like early-hints where we have the first response which isn't the real response of the request.

We have no objection on this, it should be a positive for us.

mozilla / standards-positions

Add `finalResponseHeadersStart` to resource timing #1108

Request for Mozilla Position on an Emerging Web Specification

Other information