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Reaction Time Test

Simple, Visual Reaction Time Test
⚡ Quick Start
Click when the screen turns red — lower time = faster reaction
Click/Tap here to start
⚙ Advanced Settings
Other colors appear at this ratio as distractors. Only click when the screen turns red — clicking on wrong colors resets the test.
📊 Session Statistics
Recent Attempts
📖 Detailed Instructions
  1. Click anywhere in the preview area to start the test.
  2. Wait for the screen to turn from blue to red.
  3. Click as soon as you see red — your reaction time will be measured.
  4. If you click too early (while blue), the test resets.
  5. Advanced Mode: Enable distractor colors in Advanced Settings. Other colors will appear — only click when it's red!
  6. Try multiple attempts to improve your score.
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