Content-Language HTTP Header
Content-Language
The natural language or languages of the intended audience for the enclosed content.
Accepted Values
Language codes, seperated by a comma.
Example
Content-Language: en-GB
Content-Language: de-DE, fr-FR
Parse
Enter a Content-Language header below to parse and return details about it.
Reference
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Language