Reaction Time and Memory Tests
Test your reaction time, number memory, visual memory and typing speed.
When you finish, you see where you fall among this site's visitors.
Pick a test
Reaction Time Test
Click as soon as the screen changes colour. Averaged over 5 tries.
StartNumber Memory Test
Remember a number shown briefly and type it. One more digit each round.
StartVisual Memory Test
Remember which cells lit up and tap them. More cells each level.
StartTyping Speed Test
Type a short passage exactly. Measured in words per minute.
Start
Good to know
- Reaction time depends on screen refresh rate, input device and browser. Do not compare it directly with numbers from other devices.
- You are compared with this site's visitors only. It is not a norm for any age group or population.
- This is not a medical test and does not diagnose cognitive function. If you are worried, talk to a doctor.
- The only things sent to the server are the test name and your score.
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