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HTTP request headers

A request headers is an HTTP header that the client sends to the server.

ID: 11

Type	Standard
Subype	Client Hints
Related headers	Accept-CH, Dpr, Save-Data, Sec-Ch-Device-Memory, Sec-Ch-Dpr, Sec-Ch-Prefers-Color-Scheme, Sec-Ch-Prefers-Reduced-Motion, Sec-Ch-Viewport-Height, Sec-Ch-Viewport-Width, Viewport-Width
Last seen	2025-12-05 07:11:17
Note	Reveals the approximate downstream speed of the user’s connection (in Mbps).

Example header value: 1.45