spec checked
MDN: Progressive enhancement
Defines progressive enhancement as starting with baseline content and functionality, then layering advanced capabilities while distinguishing it from graceful degradation.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Graceful degradation | Choose graceful degradation when users stay on the same surface and the core task continues with fewer capabilities. | The baseline path can complete the same core task or the interface explicitly says why it cannot. | MDN distinguishes progressive enhancement from graceful degradation and describes their relationship. |
Evidence Role
This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Mozilla. Last checked: .