Tool
Reaction Time Test
Your reflexes, benchmarked. A visual flash test and an auditory beep test, five trials each, timed with high-precision clocks in your browser. See how you stack up against average human numbers.
Watch on the channel →10 trials, two conditions
Two short tests, 5 trials each. First a visual flash, then an audio beep. Click or tap the box the instant you see or hear the signal. Clicking too early counts as a false start and the trial resets.