Comment by peaBerberian

The player's demo page (https://peaberberian.github.io/wasp-hls/) includes links to several test contents (you can click the "+" button to see them all).

Only one of the three playlists is linked to ts segments, the others rely on fmp4 segments (another segment format authorized in HLS).

Note that this is the same HLS format you'll usually find on streaming websites. I've been playing for example a lot of twitch contents through that player.