System Design · Middle · Question 51 of 75

How do `Cache-Control: no-cache` and `no-store` differ?

✓Correct answer: no-cache allows storing but requires revalidation before each use; no-store forbids storing at all
2They're identical
3no-cache forbids storing, no-store allows it

Explanation

no-cache with an ETag still saves bandwidth through 304. Use no-store for sensitive data like banking pages.

Further reading

MDN: Cache-Control ↗

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