How about trying a site that doesn't have a bet pot button? I hear Party is a decent place.

Hand 7: Most here would say raise pf. Having not done that bet the flop, 3 bet AI.

Hand 17: Bet the flop, bet the turn.

Hand 18: I bet $4 on the flop, pot is ~$12 on the turn, bet $10, easy call of the c/r

Hand 33: I'm calling him down because as you said "he may have a read on you" and folding the turn last time OOP with your AQs. I'm def. not raising though cuz you're usually only getting called by better hands.

Hand 37: raise the flop, I don't see how you can call the river. Pot is only $8 and he bets nearly 3x pot. There are times I will be tilted enough by villain to call this but this call is -ev. Don't try to keep the pot small, raise the flop, check the turn, depending on river card check or bet this is pretty typical IMO when having position and a hand that isn't strong and wants to see a showdown.

Hand 38: I reraise such a draw heavy board on the flop.

Hand 39: Fold preflop. Since you didnt your play was fine. You can't expect people to bet here after your check because of your short stack and your AI is a PSB.

Any tips to improve my game are welcome or should I stay at 25NL?
Don't play scared or thinking that you're going to lose. You can't stay at the $25 forever.