mdn
Add standard names for Device Client hints
Description
- Copies the device client hints to new docs with their standard
Sec-CHnames. - Adds
Sec-CH-Viewport-Heightpage. - Prefers the
Sec-CH-variants to their old names.
Motivation
Fix developer confusion: https://bsky.app/profile/ericportis.com/post/3m7oa4vo5fk2q
Additional details
Device-Memory, DPR and Width were added in Chrome 97: https://chromestatus.com/feature/6658223894429696 (note Device-Memory was not noted there)
Height was added in Chrome 105: https://chromestatus.com/feature/5646861215989760
Related issues and pull requests
BCD changes: https://github.com/mdn/browser-compat-data/pull/28636
Preview URLs (14 pages)
/en-US/docs/Web/API/Device_Memory_API/en-US/docs/Web/API/Navigator/deviceMemory/en-US/docs/Web/API/WorkerNavigator/deviceMemory/en-US/docs/Web/HTTP/Guides/Client_hints/en-US/docs/Web/HTTP/Reference/Headers/Content-DPR/en-US/docs/Web/HTTP/Reference/Headers/DPR/en-US/docs/Web/HTTP/Reference/Headers/Device-Memory/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-DPR/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Device-Memory/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Height/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Width/en-US/docs/Web/HTTP/Reference/Headers/Viewport-Width/en-US/docs/Web/HTTP/Reference/Headers/Width/en-US/docs/Web/HTTP/Reference/Headers
Flaws (6)
Note! 12 documents with no flaws that don't need to be listed. 🎉
URL: /en-US/docs/Web/HTTP/Reference/Headers
Title: HTTP headers
Flaw count: 3
- macros:
Macro httpheader produces link /en-US/docs/Web/HTTP/Reference/Headers/Accept-Signature which doesn't resolveMacro httpheader produces link /en-US/docs/Web/HTTP/Reference/Headers/Signature which doesn't resolveMacro httpheader produces link /en-US/docs/Web/HTTP/Reference/Headers/Signed-Headers which doesn't resolve
URL: /en-US/docs/Web/HTTP/Reference/Headers/Viewport-Width
Title: Viewport-Width header
Flaw count: 3
- unknown:
No generic content config foundno blog rootno blog root
External URLs (4)
URL: /en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Device-Memory
Title: Sec-CH-Device-Memory header
- https://developer.chrome.com/docs/privacy-security/user-agent-client-hints (1 time) (Note! This may be a new URL 👀)
URL: /en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-DPR
Title: Sec-CH-DPR header
- https://developer.chrome.com/docs/privacy-security/user-agent-client-hints (1 time) (Note! This may be a new URL 👀)
URL: /en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Height
Title: Sec-CH-Viewport-Height header
- https://developer.chrome.com/docs/privacy-security/user-agent-client-hints (1 time) (Note! This may be a new URL 👀)
URL: /en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Width
Title: Sec-CH-Viewport-Width header
- https://developer.chrome.com/docs/privacy-security/user-agent-client-hints (1 time) (Note! This may be a new URL 👀)
(comment last updated: 2025-12-15 22:20:37)
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I was trying to avoid duplication of content, but since both are still supported for now that's a fair call.
Added back now so PTAL.
This pull request has merge conflicts that must be resolved before it can be merged.
This pull request has merge conflicts that must be resolved before it can be merged.
Fixed
Thanks for the thorough review @hamishwillee !
I've accepted most of the feedback but have an outstanding comment about one of the pieces of feedback (x3). I have a slight preference to keep it as I'd written to it, but not 100% wedded to it if you feel strongly about this.