The average (median) reaction time is 273 milliseconds, according to the data collected so far. In addition to measuring your reaction time, this test is affected by the latency of your computer and …

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The average (median) reaction time is 273 milliseconds, according to the data collected so far. In addition to measuring your reaction time, this test is affected by the latency of your computer and …

Test your reaction time with our free online reaction time test. Measure how fast you can respond to visual stimuli, compare your results with global averages, and track your improvement over time.

Test how fast you react with reaction time tests. See how quickly your brain responds to different challenges!

Reaction time is the complete interval from stimulus detection to motor response. This test measures simple visual reaction time — the most fundamental benchmark of neural processing speed.

Test your reaction time with our precision visual reflex test. Click when the screen turns green and measure your response time in milliseconds. Improve your reflexes with practice.

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Play free Human Benchmark tests online: reaction time, memory, hearing frequency (20Hz–20kHz), audio reaction time, and color vision. Instant results.