Did an hour long mixed tactics training session at chesstempo.com

ChessTempo User Guide

Online Chess Training - Play chess, Train chess.

Beautiful tactic from Chess Tempo: White to move and win! : r/chess

Chess Skills: Tactical Motifs: A List

How should I study chess tactics? - Quora

Just broke 1900 on chesstempo! Started playing 15 months ago and this resource has been extremely beneficial and I would credit as one of the biggest factors in my chess growth. Results

Chess Tactics –

Chess tempo vs Puzzles Books? : r/chess

Yusupov Fundamentals bundle (4 books)

Chess Tactics Puzzle Training: ChessTempo Tactics training session