This addon is working for those who wonder that. You can see the differences in bandwidth in dev tools.

^_^

It does nothing on Firefox 68.8.1 for Android.

De lo mejor, ya que en ocaciones solo lo uso para reproducir música

cool

not working

Absolutely useless. It doesn't even appear anywhere so you can activate it. Pointless.

Funciona normal.
Mas notei se o video for muito longo, a aplicação do nada para.

Excelente plataforma