Reaction Reflex Test
    Input · Reaction

    Reaction test

    Click the arena, wait for it to turn green, then click as fast as you can. You get your reaction time in milliseconds.

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    About the reaction test

    Updated

    The reaction test waits a random 1.5 to 4.7 seconds, turns the box green, and measures how long you take to click. It keeps your latest, best and average times across attempts and rates each result, so you can compare your reflexes or check how much delay your mouse and monitor add.

    How to use it

    1. Click or tap the box to start.
    2. Wait for it to turn green. Clicking early resets the attempt.
    3. Click as fast as you can when it turns green.
    4. Repeat five or more times and use your average rather than a single result.

    Frequently asked questions

    What is a good reaction time?

    Most people average around 250 ms. Under 210 ms is excellent. Results vary with tiredness, focus and your hardware.

    Does my hardware affect the result?

    Yes. A slow monitor, a high-latency wireless mouse or a low refresh rate can add tens of milliseconds, so the result measures your whole setup, not just you.

    Why is the wait random?

    A random delay stops you from timing the click instead of reacting to the colour change.