What is a reaction time test?
A reaction time test measures how quickly you respond to a visual signal, in milliseconds (ms). The average human reaction time to a visual cue is about 200–250 ms. Gamers and athletes often land in the 150–200 ms range.
How to improve reaction time
- Stay relaxed and focused — tension slows you down.
- Get enough sleep; fatigue adds tens of milliseconds.
- Practice — and pair it with the CPS test to train clicking too.
FAQ
What's a good reaction time?
Under 250 ms is average, under 200 ms is fast, and under 170 ms is excellent.
Why did it say "Too soon"?
You clicked before the box turned green. Wait for the color change, then click.
Is my best saved?
Yes — your fastest time is stored locally in your browser, and the page shows a running average per session.