15 TESTS · FREE · NO INSTALL

Your reaction time,
as a number.

Reaction, memory, clicking, aim — right through to your monitor refresh rate. Records stay in this browser and are graded instantly.

See all tests Reaction time test →

My records

Best scores stored in this browser

Reaction timemy best — grade A under 200ms CPS click speedmy best — grade A 8+ CPS Visual memorymy best — grade A level 13+ Aimmy best — skilled under 450ms per target

Skill tests

12 · reaction / memory / accuracy

01 Reaction Time Testpopular Click the instant it turns green! How many ms? unitms time30s grade A<200ms 02 Visual Memory Test Remember the flashed tile positions unitlv time2m grade A13+ 03 CPS Click Speed Testpopular Click as fast as you can in the time limit unitCPS time10s grade A8+ 04 Stop the Timer Stop right on the target time! Play with friends units time1m accurate±0.15s 05 Time Sense Test Guess how much hidden time has passed units time1m accurate±0.3s 06 Hearing Age Test How high a pitch can you hear? unitkHz time1m age 3017kHz+ 07 Dynamic Vision Test How many ms can you read a flashed number? unitms time2m great<130ms 08 Chimp Test Remember the number order, beat Ayumu the chimp unitlv time3m great10+ 09 Aim Testpopular 30 targets — how fast and accurate are you? unitms time1m skilled<450ms 10 Spacebar Speed Test How many spacebar hits before time runs out? unithits time10s grade A60+ 11 APM Test Click the green tile as fast as you can! Actions per minute unitAPM time60s Master200+ 12 Mouse Accuracy Test Path follow, shape draw, precision click, steady hand unit% time1m Master92+

Hardware tests

03 · monitor / mouse / keyboard

13 Monitor Refresh Rate Test Find out what refresh rate your screen really runs at time30s 14 Mouse Test Check buttons, wheel and double-click failure time1m 15 Keyboard Test Test every key and N-key rollover time1m