Free Online Reaction Time Test
Measure how fast you can react to a visual stimulus in milliseconds.. Free, no signup, works in your browser.
About Reaction Time Test
This reaction time test measures how quickly you respond to a visual cue. Click or tap as soon as the screen changes color and get your result in milliseconds. Everything runs in your browser — no downloads or uploads required.
Frequently Asked Questions
What is a good reaction time?
The average human reaction time is around 200–250 ms. Competitive gamers often score between 150–200 ms. Anything under 150 ms is considered excellent.
How can I improve my reaction time?
Practice regularly with this test, get enough sleep, stay hydrated, and minimize distractions. Consistent gaming and reaction drills can shave 20–50 ms off your average over time.
Does monitor refresh rate affect reaction time scores?
Yes. A higher refresh rate (144 Hz or 240 Hz) displays frames faster, reducing input lag. On a 60 Hz monitor you may see scores 10–15 ms higher than on a 240 Hz panel.
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