About Reaction Time Test (Reflex Speed Benchmark)
Scientific visual reflex reaction time test based on the Human Benchmark standard. Click when the screen switches from red to green to capture your reaction time in milliseconds with microsecond precision. Calculates trial averages, personal bests, and percentile classifications without ads or lag.
Key Capabilities & Features
- High-precision performance.now() millisecond timing
- False start and early click detection with instant restart
- 10-attempt rolling average and personal best tracking
- Human percentile ranking (Godlike, Pro Gamer, Average, Below Average)
How to Use Reaction Time Test (Reflex Speed Benchmark)
Click to Begin
Click anywhere on the blue screen to initialize the test.
Wait for Green
Wait patiently while the screen is red. Do not click early.
Click on Green
As soon as the screen turns green, click as fast as humanly possible.
Privacy & In-Browser Execution Guarantee
100% in-browser performance.now() benchmarking. Reaction timestamps never leave your device.
Frequently Asked Questions
What is an average human reaction time?
The average human visual reaction time to a color change is between 250 ms and 270 ms. Competitive esports players often achieve reaction times below 180 ms.
Does monitor refresh rate affect reaction time?
Yes, a 144Hz or 240Hz monitor displays the green frame faster than a standard 60Hz monitor, saving 5-10 ms of display latency.