#757: Review request for HTTP Status Code in Resource Timing

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Opened Jul 13, 2022

Wotcher TAG!

I'm requesting a TAG review of HTTP Status Code in Resource Timing.

Adds a field responseStatusCode to PerfomanceResourceTiming which holds an integer corresponding to HTTP status code returned when fetching the resource.

Further details:

  • I have reviewed the TAG's Web Platform Design Principles
  • Relevant time constraints or deadlines: September 1, 2022
  • The group where the work on this specification is currently being done: W3C Web Performance WG
  • Major unresolved issues with or opposition to this specification: None
  • This work is being funded by: Google

You should also know that...

We'd prefer the TAG provide feedback as :

💬 leave review feedback as a comment in this issue and @-notify @abinpaul1 @yoavweiss

Discussions

2022-07-London

Minutes

Yves wonders how this fits in with Fetch's hiding of this information

[Tess & Yves read explainer & related docs]

Yves: this allows you to distinguish between a CORS check failure and some other server-side failure

... for things not using CORS (images etc.), you can kind of figure this out, coarsely, by detecting if the resource was loaded

... would be nice to have mike west's read on this, or anne's. it opens the can of worms of differentating errors

[Tess & Yves each leave comments on the issue]

2022-08-29

Minutes

Max: I think this is resolved

Yves: I think we can close, positive feedback

agree to close