Brain Training Tools

Reaction time is the gap between a signal appearing and your hand moving. Reaction Time Test measures it in milliseconds — not with a stopwatch but with the same `performance.now()` clock the browser uses for animations, which has sub-millisecond resolution. The best five presses out of ten set your baseline so a single slow tap does not ruin the average.

Memory Match, Aim Trainer, Typing Speed Race and Simon Says are lined up next. Each one targets a different piece of performance: spatial recall, cursor accuracy, text throughput, and working-memory span.