Measure your reaction time with our free online tester. Compare your results and improve your reflexes with our User-friendly reaction speed test . Online reaction time test . Click as soon as the field turns green. Average and best time , attempts, CSV export, and built‑in self‑tests. The Reaction Time Test measures how quickly you can react to visual stimuli. It is a fun and useful exercise to improve your reaction speed. Whether you are a gamer, looking to train your concentration, or just curious about your reaction ability – our tool helps you unlock your full potential. In this test , the game starts with a blue screen. Test your aiming skills and improve your reaction time with the Human Benchmark Aim Trainer .
