Graceful degradation
On This Lesson 4 topics
This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.
In this lesson
keep the core journey working when parts fail.
Planned topics
- Rank features: core (checkout) versus optional (recommendations, reviews).
- Fallbacks: cached data, default values, queueing, disabling features, clear "temporarily unavailable" states.
- Never degrade by silently corrupting or dropping data; degrade visibly.
- Test the degraded modes; unused fallbacks rot.
Draft outline details
Demonstration
a table: dependency fails, user sees, system does, data safety.
Check your understanding
What must degradation never do?
Show answer
Silently corrupt or lose data.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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