Headers: Permissions-Policy.language-detector
Permissions-Policy: language-detector directive
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Permissions-Policy header language-detector directive controls access to the language detection functionality of the Translator and Language Detector APIs.
Specifically, where a defined policy blocks usage, the LanguageDetector.availability() static method will return unavailable, and any attempts to call the API's other methods will fail with a NotAllowedError DOMException.
Syntax
Permissions-Policy: language-detector=<allowlist>;
<allowlist>-
A list of origins for which permission is granted to use the feature. See
Permissions-Policy> Syntax for more details.
Default policy
The default allowlist for language-detector is self.
Specifications
This feature does not appear to be defined in any specification.>Browser compatibility
See also
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/language-detector
