Reaction Time Test
Measure your reaction time in milliseconds over five rounds.
What does Reaction Time Test do?
Wait for the screen to turn green, then click as fast as you can. Five rounds give you an average reaction time in milliseconds, your best round, and where that sits against the human average of roughly 250 ms. Timing uses a high-resolution clock, so the number is not rounded to the nearest frame.
How to Use Reaction Time Test
- 1Start the testThe panel turns red and waits an unpredictable time.
- 2Wait for greenClick the instant the colour changes. Clicking early voids the round.
- 3Repeat five timesYour average and best times are shown at the end.
Key Features
- Five rounds averaged, so a single lucky click does not set your score
- Randomised delay between rounds to make anticipation useless
- Sub-millisecond timing from the browser high-resolution clock
- Too-early clicks are detected and the round is retaken
- Per-round breakdown plus average, best and worst
Frequently Asked Questions
What is a good reaction time?
The average adult scores about 250 ms on a visual click test. Under 200 ms is fast, and anything under 150 ms is exceptional — top esports players sit in that range on a good day.
Why is my reaction time slower than I expect?
The number includes your monitor and mouse, not just you. A 60 Hz display adds up to 16 ms of latency, and wireless peripherals add a few more. The same person often tests 20 to 30 ms faster on a 144 Hz screen.
What counts as clicking too early?
Any click before the panel turns green. The round is discarded and repeated rather than scored, because guessing the timing would otherwise produce an impossibly low result.
Can I improve my reaction time?
Somewhat. Sleep, caffeine, warm hands and a fast display all help, and practice reduces the decision component. The raw nerve-conduction part of the delay is fixed, so gains flatten quickly.
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