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Request

Accept-Language

Advertises the natural languages the client prefers in the response.

Syntax

Accept-Language: <language>, <language>;q=<quality>

Example

Accept-Language: ru-RU, ru;q=0.9, en-US;q=0.8, en;q=0.7

Description

The Accept-Language header indicates which human languages the client prefers for the response. Servers use it to serve localised content when available.

Values use BCP 47 language tags (e.g. en-US, ru). Quality factors specify preference order; * matches any language not otherwise specified.

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Related Headers

Accept
Specifies the media types the client can process in the response.
Accept-Encoding
Indicates which content encodings the client can understand.
Authorization
Carries credentials to authenticate the client with the server.
Cookie
Sends previously stored cookies from the server back with each request.
Host
Specifies the domain name and port of the server being requested.
If-Modified-Since
Makes the request conditional; server responds with 304 if content hasn't changed since the given date.

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