Launching today
ReactionTimeTest
Measure your reflexes in milliseconds — no ads, no signup
1 follower
Measure your reflexes in milliseconds — no ads, no signup
1 follower
A free, distraction-free reaction time test. React to the green light in Classic mode or launch with F1's five-red-lights start — then see your percentile against the 273 ms human median. Works with keyboard, mouse, or touch in 8 languages. Your history stays in your browser.
