from Hacker News

My internet connection is really bad so I noticed something about Spotify. Whenever I load my 'Liked songs' playlist, whichever song I select will play for the first 10 seconds and then stop (due to my bad internet connection).

That made me wonder: does Spotify loads the first 10 seconds of the perhaps first few songs from that list and then, as songs are played, make other requests to get songs in their entirety?

Also, could WireShark be used to check how requests work? Not sure how to verify that traffic from a phone. I'm assuming checking for XHR requests in the browser would yield different results due to different design decisions.