Free browser test
How fast are your reactions?
Complete three rounds and see your average reaction time. Tap only when the screen turns green.
3 rounds
Works on Android
No sign-up
Reaction test
Tap at the right moment
Round 1 of 3
The screen will change after a random delay.
Latest time
—
Your result
Three-round average
—
milliseconds
How the test works
- Tap the test area to begin.
- Wait while the screen is blue.
- Tap immediately when it turns green.
Results are for entertainment and general comparison only. They do not measure intelligence, health, or driving ability.