I'd try two things: 1. try and see if accessing youtube through a vpn improves the bandwidth (in that case, your ISP is probably looking at both dns requests a

I'd try two things: 1. try and see if accessing youtube through a vpn improves the bandwidth (in that case, your ISP is probably looking at both dns requests and connection endpoint ownership) 2. preload and buffer whole videos (es: https://www.technorms.com/35122/preload-buffer-entire-youtube-videos-disabling-dash-playback https://www.technorms.com/35122/preload-buffer-entire-youtub...) this aims to get your traffic usage pattern not having the "usual" shape of a typical youtube session (that is: brief burst of full-speed downloads)