0.9,fr-fr

: If fr-FR is not available, it may look for a general French version ( fr ) or the next language in the user's priority list.

Are you trying to or set up language detection for a specific web application? The role of Accept-Language header in software localization 0.9,fr-FR

: Developers use these strings in languages like Python (Flask) or Node.js to automatically redirect users to the correct localized version of a site. Common Example : If fr-FR is not available, it may