Five measurements · about a minute each
How fast is your brain, measured properly?
Most test sites rank you against whoever happened to visit them. This one puts your score on the distribution published in peer-reviewed research, and shows you the curve. Where no such research exists, you get no percentile at all.
The tests
- Reaction TimeClick the moment the panel turns green. Five rounds, median scored.
- Aim TrainerThirty targets, one at a time. Average time and accuracy.
- Number MemoryA number flashes, then you type it back. One digit longer each round.
- Sequence MemorySquares light up in order. Repeat the pattern as it grows.
- Color MatchOne tile is a slightly different shade. The gap shrinks every level.
▶ Full benchmark All five in one sitting, scores collected into a single summary.
Why three of them have no percentile
A percentile is only meaningful next to a population that was actually measured. Reaction time and sequence memory have that: published samples of 1,469 and 340 adults, both linked on the methodology page. The other three do not, so they show your score and your own trend instead of a number we would have had to invent. Aim depends on your pointing device, colour discrimination depends on your screen, and the classic digit span is read aloud by an examiner rather than typed into a browser.