A request headers is an HTTP header that the client sends to the server.
HTTP request headers list | Browser Headers Viewer
| Type | Experimental |
| Subype | Client Hints |
| Related headers | Accept-CH, Downlink, Dpr, Save-Data, Sec-Ch-Device-Memory, Sec-Ch-Dpr, Sec-Ch-Prefers-Color-Scheme, Sec-Ch-Prefers-Reduced-Motion, Sec-Ch-Viewport-Height, Viewport-Width |
| Last seen | 2025-10-28 00:23:38 |
| Link | https://developer.mozilla.org/en-US/docs/Web/HTTP/Client_hints |
| Note | Client hints are a set of HTTP request header fields that a server can proactively request from a client |
Example header value:0 |
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