Click to start. Wait for the screen to change. Then click as fast as you can.
Click anywhere to begin.
Reaction time changes with focus, fatigue, and repetition. Run a few attempts and compare your average instead of judging one score.
This is a typical human reaction time and a good reference point for most players.
This is strong performance and usually reflects good focus and quick visual response.
A typical blink takes about 300ms, so a 200ms reaction is quicker than that.
Sleep, stress, focus, and repetition can all move your score. Compare several attempts for a better picture of your reaction speed.