YouTube has started to artificially slow down video load times for Firefox users using the following piece of code:
To resolve this problem, try adding this to your ublock rules:
source: https://bit.ly/3MVQmg8
setTimeout(function() { c(); a.resolve(1) }, 5E3);
5E3 being 5000ms, or simply put 5 seconds.
To resolve this problem, try adding this to your ublock rules:
www.youtube.com##+js(nano-stb, resolve(1), *, 0.001)
source: https://bit.ly/3MVQmg8