API Design · Middle · Question 24 of 75

What does `stale-while-revalidate` allow?

✓Correct answer: Serving a slightly stale cached response immediately while fetching a fresh one in the background
2Serving errors from cache
3Disabling caching temporarily

Explanation

It hides revalidation latency from users. stale-if-error serves stale data when the origin fails.

Further reading

MDN: HTTP caching ↗

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