The Zadein Reaction Time Test measures how quickly you respond to a visual stimulus. Click as soon as the screen changes and the tool records your response time in milliseconds, helping you benchmark your reaction speed.
The average human visual reaction time is approximately 200 to 250 milliseconds. Trained athletes may be slightly faster.
Yes. Input device, screen refresh rate, and browser rendering can all affect measured reaction time slightly.
Take at least five attempts and average the results to account for variation between individual attempts.