Browser & Web Performance · Middle · Question 53 of 75

What is an opaque response?

1A response with a blurred image
2A response compressed with Brotli
✓Correct answer: The result of a no-cors cross-origin fetch: status 0, no readable body or headers

Explanation

Service workers can cache opaque responses, but can't check if they succeeded, and they may take a lot of storage quota.

Further reading

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