Chesstempo first attempt - is it worth the membership?

I'm trying out chesstempo for the first time! The paid membership is roughly 30 Euros so I'm testing out the basic tactics features to check the quality and

Is the chess.com membership worth it? Will I see big changes in my gameplay? : r/chess

Quality Chess Blog » Black And White Friday Sale

How important are chess tactics? - Quora

Chess tempo - Train chess tact - Apps on Google Play

Chess tempo - Train chess tact - Apps on Google Play

Art of Attack in Chess: Vukovic, Vladimir: 9781857444001: : Books

Chess tempo - Train chess tact - Apps on Google Play

Tactics Time!: 1001 Chess Tactics from the Games of Everyday Chess Players: Brennan, Tim, Carson, Anthea: 9789056914387: : Books

Christmas Camp and Christmas present for ALL members! - News - Killer Chess Training