反応速度テスト
緑を待って、できる限り速くクリック。5ラウンドの平均。
Reaction Time Test
Click to start
When the box turns green, click as fast as you can. Don't click early - that's a false start.
Tap anywhere in this box, or press Space
緑を待って、できる限り速くクリック。5ラウンドの平均。
Click to start
When the box turns green, click as fast as you can. Don't click early - that's a false start.