- It has bullet (1-3 mins), blitz (5 mins), rapid (10 mins), classical (15 mins). You can also create a game with your own timings if you want.
- My favorite is 10+0 Rapid style.
- copy paste the contents of pgn into https://lichess.org/paste
- I did not find a way to directly upload a pgn file to their server.
- Enable the kid mode at https://lichess.org/account/kid . This will disable all site communications, communications from other internet users.