⚡ Reaction Time Test: Click the Moment It Turns Green

The screen sits red and then flips to green at a moment you cannot predict — click as fast as you can right then. Five rounds, and what goes on the board is the average in milliseconds. Jumping the gun voids that round, so guessing the timing gets you nowhere. Most people in their twenties land between 175 and 260 ms, and a large part of that number is simply the time your nerves need to carry the signal.