What is this?

I took all the URLs from HTTP Archive that ended ".mp3" or ".mp4", deduped by host, then made a range request to them with the following:

• acceptNone: No Accept-Encoding header (like Firefox).

• acceptIdentityLong: Accept-Encoding: identity;q=1, *;q=0 (like Chrome).

• acceptIdentity: Accept-Encoding: identity (like Safari).

• acceptEncoding: Accept-Encoding: gzip, deflate, br (like Edge).

To run these tests yourself, see the repo.

Results

Warning: These URLs are media files from the web. As such many will be unsafe for work.