Accept-CH
Accept-CH
The Accept-CH header may be set by a server to specify which client hints headers a client should include in subsequent requests.
Note: Client hints are accessible only on secure origins (via TLS). Accept-CH (and Accept-CH-Lifetime) headers should be persisted for all secure requests to ensure client hints are sent reliably.
Specifications
Browser compatibility
Desktop
Mobile
Chrome
Edge
Firefox
Internet Explorer
Opera
Safari
WebView Android
Chrome Android
Firefox for Android
Opera Android
Safari on IOS
Samsung Internet
Content-DPR
46
≤79
No
No
33
No
46
46
No
33
No
5.0
DPR
46
≤79
No
No
33
No
46
46
No
33
No
5.0
Device-Memory
61
≤79
No
No
48
No
61
61
No
No
No
8.0
Sec-CH-UA
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Arch
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Full-Version
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Mobile
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Model
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Platform
89
89
No
No
75
No
89
89
No
63
No
15.0
Sec-CH-UA-Platform-Version
89
89
No
No
75
No
89
89
No
63
No
15.0
Viewport-Width
46
≤79
No
No
33
No
46
46
No
33
No
5.0
Width
46
≤79
No
No
33
No
46
46
No
33
No
5.0
Accept-CH
46
≤79
No
No
33
No
46
46
No
33
No
5.0