Reaction Time Test
Reaction Time Test is a free, browser-based tool that measures your reaction speed with high-precision timing. Simply click or press the spacebar when the box turns green, and get instant feedback in milliseconds.
Key Features
- Multiple rounds: Choose from 1, 3, 5, or 10 rounds for a reliable average.
- Detailed statistics: View your average, median, standard deviation, best score, grade, and percentile.
- Cross-platform: Works with mouse click, spacebar, or touch on mobile.
- No sign-up required: Runs entirely in your browser with no data sent to servers.
- History tracking: Your best score and recent results are stored locally.
Use Cases
- Self-assessment of reaction speed for gaming or sports.
- Fun challenge to compare with friends or family.
- Quick cognitive test to gauge alertness.
How It Works
- Click "Click to start" to begin.
- Wait for the box to turn green (random delay to prevent anticipation).
- Click or press space as fast as possible.
- See your reaction time in milliseconds and how you compare to others.
