Browser & Web Performance · Senior · Question 36 of 75

What problem do targeted headers like `CDN-Cache-Control` solve?

✓Correct answer: They let you set CDN caching separately from browser caching without one overriding the other
2They compress responses on the CDN
3They enable CORS for CDN responses

Explanation

For example, cache HTML at the edge for minutes (purged on deploy) while browsers always revalidate it.

Further reading

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