LPT: Not a fan of going to Twitch to watch you favorite lichess streamer? Lichess has a hidden built in function to view the stream from Lichess. Just append /{name} at the end of this URL.
Free online chess server. Play chess in a clean interface. No registration, no ads, no plugin required. Play chess with the computer, friends or random opponents.
If they’re a twitch streamer, it will still use the twitch plugin to view the stream. Instead of ads you will get pauses, but beware, sometimes the pauses are long.