I don't know of a way using their site. The fastest way I've found otherwise is to run mpv https://mpv.io/ https://mpv.io/ with the URL as an argument, and use

I don't know of a way using their site. The fastest way I've found otherwise is to run mpv https://mpv.io/ https://mpv.io/ with the URL as an argument, and use the ']' shortcut to increase playback speed.