Lichess now shows accuracy in percentages after the sever analysis. : r/chess

Chess Analytics

Exact, Exacting: Who is the Most Accurate World Champion?

Best Lichess Posts - Reddit

API reference

Most popular time control on lichess is 1+0, Rapid & Classical account for ~15% of all games (Link in comments) : r/chess

Why is Lichess.org so popular with online chess players? - Quora

How to Navigate & Use Lichess Studies, Opening Explorer (and More)

Defending Niemann - Chessable

How to Navigate & Use Lichess Studies, Opening Explorer (and More)

There is no relationship between average centipawn loss during a game and player rating : r/chess