Browser & Web Performance · Middle · Question 46 of 75

What is the Cache Storage API (`caches.open`) compared to the HTTP cache?

✓Correct answer: A storage you control from JavaScript, usually from a service worker; it doesn't follow Cache-Control automatically
2A cache that is shared between all websites
3Another name for the HTTP cache

Explanation

Entries stay until your code deletes them or the browser evicts the origin's storage, so versioning and cleanup are your job.

Further reading

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