AV-H05
Reaction Time Test
Test your reaction time over a session of attempts, with false-start detection, stats and a histogram.
● Runs on your device; nothing is uploadedHow to use it
- Choose how many attempts to make and whether the cue is a colour change or a beep.
- Click, tap or press Space on the panel to start an attempt.
- When the panel changes colour, or you hear the beep, press as fast as you can.
- Keep going until the session is done, then read or copy the results.
Limits
- Attempts per session
- 3–20 (default 5)
- Random delay before the cue
- 1.5–4.5 s
- Presses under 100 ms after the cue
- Marked as guesses, not counted
- No press after the cue
- Missed after 3 s, not counted
Features
- Cue timestamp taken in the animation frame that paints the colour change
- Press time from the input event timestamp, not from when the page handled it
- False starts marked and the attempt repeated
- Mean, median, best, worst, standard deviation and a 25 ms histogram
- Web Audio beep mode; keyboard (Space or Enter) and touch work
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