Building VoltReflex, a free reaction time test, and PNGPoint, a transparent PNG image website.

Robiul Cc • Peerlist

<p>VoltReflex is a free online visual reaction time test. Wait for the screen to turn green, then click or tap to measure your response in milliseconds. Choose 5, 10 or 20 rounds, view your best and average times, and share your results. It works on desktop and mobile without a download or sign-up. Compare attempts on the same device, since display and input latency can affect scores.</p>