I built a PostgreSQL learning platform with labs & quizzes — would love feedback

Hey everyone, I built postgresqlacademy.com, a platform focused on helping beginners learn PostgreSQL step by step. It includes structured lessons, quizzes, hands-on lab exercises, and a 1-on-1 chat feature for getting help when you’re stuck. I’m trying to focus more on practical learning, so most lessons include real queries and scenarios instead of just theory. There’s a free tier available, and some content can be viewed directly so you can get an idea of the quality before committing. I’d re