live commentary day 1: https://www.autosport.com/f1/live-text/f1-bahrain-pre-season-testing-live-commentary-and-updates-day-1/1126295/
live commentary day 2: https://www.autosport.com/f1/live-text/f1-bahrain-pre-season-testing-live-commentary-and-updates-day-2/1126325/
live commentary day 3: https://www.autosport.com/f1/live-text/f1-bahrain-pre-season-testing-live-commentary-and-updates-day-3/1126336/
It used to work on Firefox on Windows! I was watching F1TV on it until they blocked it and I was forced to switch to Multiviewer.