[w3ctag/design-reviews] Incubation: CPU Performance API (Issue #1198)

nickie created an issue (w3ctag/design-reviews#1198)

### Explainer

https://github.com/WICG/cpu-performance/

### The explainer

- [x] Includes the information requested by the [Explainer Explainer](https://w3ctag.github.io/explainer-explainer/#introduction).
- [x] Follows the [Web Platform Design Principles](https://www.w3.org/TR/design-principles/).
- [x] Includes or links to answers to the [Security/Privacy Questionnaire](https://www.w3.org/TR/security-privacy-questionnaire/).
- [x] Describes user research you did to validate the problem and/or design.

### Where and by whom is the work is being done?

- GitHub repo: https://github.com/WICG/cpu-performance/
- Primary contacts:
  - Nikolaos Papaspyrou (@nickie), Google, author
  - Dominic Farolino (@domfarolino), Google, spec mentor
  - Yoav Weiss (@yoavweiss), Shopify, W3C Web Performance WG co-chair
- Organization/project driving the design: Google Chrome
- This work is being funded by: Google
- Incubation and standards groups that have discussed the design:
  - Web Performance WG, TPAC 2025, [minutes](https://w3c.github.io/web-performance/meetings/2025/2025-11-TPAC/index.html#h.ps4tnnssi58i)
- Standards group(s) that you expect to discuss and/or adopt this work when it's
  ready: Web Performance

### Feedback so far

- Multi-stakeholder feedback:
  - Chromium comments: [status](https://chromestatus.com/feature/5189864286978048), [intent to prototype](https://groups.google.com/a/chromium.org/g/blink-dev/c/8y-EauEeWWE/m/qZahR1-sAAAJ)
  - Mozilla comments: not yet
  - WebKit comments: not yet
  - Adobe comments: [favorable](https://github.com/WICG/cpu-performance/issues/6)
  - Figma comments: [favorable](https://github.com/WICG/proposals/issues/253#issuecomment-3719833708)
- Major unresolved issues with or opposition to this design: n/a

### You should also know that...

Specification URL: https://wicg.github.io/cpu-performance/

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Received on Thursday, 19 February 2026 13:05:56 UTC