Puzzles- actually useful in EVERY game...
Puzzles or Lessons, which is better and why?

Puzzles are more accessible for free. I'm around 1900 on lichess because they let you have unlimited puzzles.

If you have chess.com premium account though, I would say that the chess.com lessons are really good for learning opening theory and stuff.

What do you think?
puzzles because they tell u good strategies that are important for a game [very]
What do you think?