0.9,de-de File

You can manually configure this preference in your browser or through the Windows Registry to ensure websites default to German while still allowing fallback languages:

: Developers use these strings to test how their applications handle internationalization (i18n) and localization (l10n). 0.9,de-DE

The value de-DE;q=0.9 tells a website that is your preferred language, with a "quality value" (q) of 0.9. This value ranges from 0 to 1, where higher numbers indicate a stronger preference. How to use this feature You can manually configure this preference in your

: A typical optimized header for a German speaker who also knows English might look like: en-US,en;q=0.9,de-DE;q=0.8 . 0.9,de-DE