Supported languages
Cloudflare Challenges can detect multiple languages and display the localized Challenge experience, which is determined by navigator.language value. The Navigator.language read-only property ↗ returns a string representing the preferred language of the user, usually the language of the browser user interface.
For language support specific to Challenge Pages, refer to the table below.
| Language | Language code (4 letters) | Language code (2 letters) |
|---|---|---|
| Arabic (Egypt) | ar-eg | ar |
| Chinese (Simplified, China) | zh-cn | zh |
| Chinese (Traditional, Taiwan) | zh-tw | -- |
| Dutch (Netherlands) | nl-nl | nl |
| English (United States) | en-us | en |
| French (France) | fr-fr | fr |
| German (Germany) | de-de | de |
| Indonesian (Indonesia) | id-id | id |
| Italian (Italy) | it-it | it |
| Japanese (Japan) | ja-jp | ja |
| Korean (Korea) | ko-kr | ko |
| Persian | -- | fa |
| Polish (Poland) | pl-pl | pl |
| Portuguese (Brazil) | pt-br | pt |
| Russian (Russia) | ru-ru | ru |
| Spanish (Spain) | es-es | es |
| Turkish (Turkey) | tr-tr | tr |
For language support specific to Turnstile, refer to the Turnstile documentation.
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