Do you have Fighter Pilot reflexes?
Click or press Spacebar to start.
What we do
The classic standard. Wait for the screen to turn bright green and click as fast as humanly possible to measure your optic reaction time.
Humans process sound faster than light! Switch to Audio Mode to test your auditory reflexes by clicking the moment you hear the sharp beep.
We don't just show your average. Our system calculates your Best Time, Worst Time, and measures your overall consistency rating across all attempts.
Wondering how you stack up against the rest of the world? Our algorithm tells you exactly what percentage of humans you are faster than.
Hardcore gamers prefer their mechanical keyboards. You can click the screen with your mouse, or simply hit the Spacebar to register your reaction.
This tool runs entirely on your device using Client-Side Javascript. It strictly detects false-starts to ensure all leaderboard scores are 100% legitimate.