Yes, 100%
difference between ratings on here vs lichess

Lichess ratings are generally 200 points ahead of chess.com rating. The gap is more when the ratings are lower, but the gap starts to close out a bit when the rating is higher. For example, a 2300 lichess player would more or less be a 2200 chess.com player. A 1800 lichess player would be more or less a 1600 chess.com player. But a 1000 lichess player would be more or less a 600 chess.com player.
Has anyone else noticed a huge gap in their rating here vs on lichess?