0.9,fr-fr

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

A full header might look like this: Accept-Language: en-US,en;q=0.9,fr-FR;q=0.8 This tells the server: "I prefer US English (1.0), but I'll take any English (0.9) or French from France (0.8) if that's what you have". 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 Are you trying to or set up language

: 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. Common Example : If fr-FR is not available,

When a server receives this header, it attempts to match the request with available content:

In this context, the values indicate a prioritized list of preferences: : This specifies French as spoken in France .

: The "q" (quality value) is a weight from 0.0 to 1.0. A value of 0.9 indicates a high priority, though typically slightly lower than the primary language (which defaults to 1.0 if not specified). How Servers Use It

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

A full header might look like this: Accept-Language: en-US,en;q=0.9,fr-FR;q=0.8 This tells the server: "I prefer US English (1.0), but I'll take any English (0.9) or French from France (0.8) if that's what you have".

: 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 look for a general French version ( fr ) or the next language in the user's priority list.

When a server receives this header, it attempts to match the request with available content:

In this context, the values indicate a prioritized list of preferences: : This specifies French as spoken in France .

: The "q" (quality value) is a weight from 0.0 to 1.0. A value of 0.9 indicates a high priority, though typically slightly lower than the primary language (which defaults to 1.0 if not specified). How Servers Use It

Hardware Guides