Can I cache mp3 files using service worker? [duplicate]

Question

Is there any restriction on what kind of files could be cached by a service worker?

Answer 1

Check out https://samdutton.github.io/samples/service-worker/prefetch-video/ which works around this issue by manually created ranged responses.

Fixing this is gated on figuring out what browsers should be doing here, and updating the service worker spec if needed.

Original answer: https://stackoverflow.com/a/37614302/6773912