3. Daily (correspondence) tournaments and a larger correspondence community. That's mostly what I play, since it allows me to play whenever and for as long as I want. 10-20 simultaneous games means there's always something for me to play. I can blitz out moves for all games in 15 minutes, or spend an hour thinking about one game.
I prefer lichess, but just can't have that experience so I pay for chess.com.
I prefer lichess, but just can't have that experience so I pay for chess.com.