From May 24th, 2021 to November 15th, 2021, 100% user give 5-star rating. for Lichess Flags chrome extension.
seems to work. not that people really show their flags. i mean lichess is kinda less social compared to chess dot com i guess idk (but i still prefer lichess!)
Very useful. Helps me clearly see the nationality of my opponent during a game of chess.