Browser & Web Performance · Middle · Question 40 of 75

What is `s-maxage` used for?

1Setting freshness for the service worker only
✓Correct answer: Setting freshness for shared caches like CDNs, overriding max-age there
3Setting a maximum response size

Explanation

A common setup: short or no browser caching, longer CDN caching, with purges on deploy.

Further reading

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