w3c / w3c/resource-timing

Adding resource discovery time to ResourceTiming API structure

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enhancement
Dominant language
Bikeshed
Stars
135
Forks
40
PR merge metrics
No merged PRs in 30d

Description

The structure of the ResourceTiming API does not include details about the discovery time of a specific resource.

One potential use case for this new attribute is to analyze whether the Largest Contentful Paint element is discovered late during the rendering process.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the Resource Timing API structure and the issue's use case around late discovery of the Largest Contentful Paint element. Define what discovery time should represent and how the new attribute fits the API; done requires an agreed specification change, since no file or test entry point is named.

Written by the indexing model from the issue text.

Assessment

Domain
api, performance, web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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