Accept-CH header - HTTP | MDN
Syntax
http
Accept-CH: <client-hints-headers>
// Client hint headers in a comma-separated list
Accept-CH: <ch-header-one>, <ch-header-two>
Examples
Client hint response headers
The following response headers indicate that the server accepts Sec-CH-Viewport-Width and Sec-CH-Width device client hints in subsequent requests.
The Vary header indicates which values were used to vary the response based on the accepted client hints.
http
Accept-CH: Sec-CH-Viewport-Width, Sec-CH-Width
Vary: Sec-CH-Viewport-Width, Sec-CH-Width
Specifications
| Specification |
|---|
| HTTP Client Hints # section-3.1 |