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 Chess Tempo performance really that important? It seems like the correlation between it and OTB playing strength is quite weak. : r/chess

Gilgamath

I have been playing chess a lot recently on chess.com and I'm thinking about buying a subscription. I know the diamond is the best one as is it the most expensive but

Diamond Account - Chess Forums

Why everyone suggest chesstempo for tactics?! Are the chess. com or lichess much worse? : r/chess

How important are chess tactics? - Quora

Chess tempo - Train chess tact - Apps on Google Play

Musings on Chess Openings - SimonM's Newsletter

Quality Chess Blog » Black And White Friday Sale

The English Opening arises after 1.c4, and is a great practical weapon for players of all levels. White dictates the opening from the very first move,

Playing the English

ChessTempo Manual, PDF, Icon (Computing)

Why Your Chess Openings Suck — Alex Crompton

1 Year Membership - Killer Chess Training