spec 1 linked patterns checked
MDN: Progressive enhancement
Defines progressive enhancement as starting with baseline content and functionality, then layering advanced capabilities while distinguishing it from graceful degradation.
Read with a purpose
What this source can teach
Use this source to check a technical or accessibility requirement against its exact wording and scope.
- Start with the original. Open the source and find the guidance or example relevant to your task.
- Trace the connection. Use the claim notes below to see how this site applies the source to specific patterns.
- Check the setting. Compare the source's platform, people, and constraints with your own decision.
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. Its value comes from the specific claims and setting described above.
Publisher: Mozilla. Last checked: .