What is the difference between accept and content language headers

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Last Updated: 2024-12-03

What is the difference between Accept-Language and Content-Language HTTP headers?

Accept-Language is a list of languages the user agent WANTS to be served.
Content-Language is the actual language that has been served

Therefore if you're detecting the language, use Accept-Language. In your response, you may give a Content-Language header. These may differ (you may not be able to serve the language requested, etc.)

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