Online reaction speed test

Reaction Time Test

Test how fast you respond to a visual signal. Wait for the screen to turn green, click as quickly as you can, and complete 5 rounds to see your best and average reaction time.

Ready

Ready to test?

Click Start, then wait for the screen to turn green.

Latest
-- ms
Best
-- ms
Average
-- ms
Round
0 / 5
Local best
-- ms

Attempts

  1. No valid attempts yet.

How to use this reaction time test

  1. Click Start Test.
  2. Wait until the test area turns green.
  3. Click as quickly as you can.
  4. Complete 5 valid rounds.
  5. Compare your latest, best, and average score.

What is a good reaction time?

A good reaction time depends on your device and testing conditions. In a casual online test, many users fall somewhere around 180–250 ms, but scores can vary because of screen refresh rate, mouse or touch delay, browser performance, and focus.

Under 180 msVery fast for a casual browser test.
180–250 msA common range for many online reaction tests.
251–350 msNormal, but you may improve with focus and a better input device.
Over 350 msTry again in a quiet setting and make sure your device is responsive.

Tips for a more consistent score

For a more consistent score, use the same device each time, keep your eyes on the test area, avoid clicking before the signal, and compare your own average across several rounds instead of judging yourself by one attempt.

Casual test boundary

This is a casual browser-based reaction time test. Your score can be affected by your device, screen refresh rate, browser, input method, and current focus. It is not a medical or cognitive diagnosis.

Reaction time test FAQ

What does this reaction time test measure?

It measures how quickly you click after a visual signal appears.

Is this a medical test?

No. It is a casual online reaction speed test, not a medical or cognitive diagnosis.

Why did I get “Too soon”?

You clicked before the signal appeared. Wait until the screen turns green.

Why is my score different on phone and desktop?

Input delay, screen refresh rate, and browser performance can affect your score.

How many rounds should I play?

The first version uses 5 valid rounds so one lucky or unlucky click does not decide the whole result.

Can I improve my reaction time?

You can practice focus and consistency, but device and context also matter.