platform-guideline checked
W3C Internationalization: When to use language negotiation
Explains Accept-Language negotiation, its limits, the need for visible manual language controls on pages, explicit user override, and sticky language selection across site navigation.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Language selector | Choose language selector when users need to switch the current page, task, or product interface to another available language. | The selector names the current language and available alternatives in language labels users can recognize. | Supports visible manual override and sticky explicit language choice alongside automatic negotiation. |
Evidence Role
This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: W3C Internationalization. Last checked: .