Runs in your browser. Nothing is uploaded.

Reaction Time Test

Wait for the cue, then click. Clicking early does not count.

Use a sound cue

Best on this device: —

Average
—
Best
—
Median
—

0 of 5

More tests

What it measures

Time

The gap between the cue and your click, in milliseconds.

Spread

Average, best, and median across the rounds you chose.

Questions

What is a typical result?

Many adults land between 200 and 300 ms on a visual cue. Faster than 200 ms is quick. Clicking before the cue does not count.

Is there a sound mode?

Yes. Listen for the beep and click when you hear it. The wait is random so you cannot count it out.