Sec-CH-UA-Platform-Version user agent client hint request header provides the version of the operating system on which the user agent is running.
|Header type||Request header, Client hint|
|Forbidden header name||yes|
The version string typically contains the operating system version in a string, consisting of dot-separated major, minor and patch version numbers. For example,
The version string on Linux is always empty.
A server requests the
Sec-CH-UA-Platform-Version header by including the
Accept-CH in a response to any request from the client, using the name of the desired header as a token:
HTTP/1.1 200 OK Accept-CH: Sec-CH-UA-Platform-Version
The client may choose to provide the hint, and add the
Sec-CH-UA-Platform-Version header to subsequent requests.
For example, the following request headers might be sent from a browser running on Windows 10.
GET /GET /my/page HTTP/1.1 Host: example.site Sec-CH-UA: " Not A;Brand";v="99", "Chromium";v="96", "Google Chrome";v="96" Sec-CH-UA-Mobile: ?0 Sec-CH-UA-Platform: "Windows" Sec-CH-UA-Platform-Version: "10.0.0"
|User-Agent Client Hints |
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