Human reflex benchmark

Test Your Reaction Speed

Measure your human reaction time in milliseconds

Wait for the target to turn red, then click as quickly as you can. Complete up to five attempts to see your best and average time.

Ready when you are

ms precision

One click starts the countdown. Stay focused—the wait is different every time.

How the reaction test works

  1. 01Start

    Press Start Test and get ready.

  2. 02Wait

    Keep your focus on the blue target.

  3. 03React

    Click the instant it turns red.

Frequently asked questions

Understand your result and get a more consistent measurement.

What is reaction time?

Reaction time is the interval between noticing a stimulus and responding to it. Here, it is the time from the target turning red to your click or tap.

What is a good reaction time?

For this test, under 200 ms is Excellent, 200–300 ms is Good, 301–400 ms is Average, and over 400 ms is Slow.

How can I improve my reaction speed?

Practice in short sessions, stay rested, and reduce distractions. Your display and input device can also affect the result.