メインコンテンツへスキップ
Sonsaur
sonsaurgames

MapGuess

Geography game

Lab

Tools & tests

ランダムゲーム

運試し？お任せください！

カジュアルアーケードパズル教育アクションシミュレーションShootingアドベンチャーDress UpレースSkill3DマルチプレイヤーRPGスポーツGames for GirlsFlashIOFighting戦略Clicker2 PlayerEscapeStickmanCookingBoardBrainCardDefenseFPS
  1. Sonsaur
  3. Lab
  5. Reaction Time Test

REACTION TIME TEST

How fast can you react? Test your reflexes!

Click the area or press Space to begin

Stats

-

Best ms

-

Avg ms

0

Tests

Frequently Asked Questions

Reaction time is the interval between a stimulus (like the screen turning green) and your response (clicking). It measures how quickly your brain processes visual information and sends a signal to your muscles to act.
The average human visual reaction time is about 250 milliseconds (a quarter of a second). Gamers and athletes often have faster times around 150-200ms. Professional esports players can consistently react in under 180ms.
Our test measures the time between the screen turning green and your click, using high-precision JavaScript timestamps. The random delay (1-5 seconds) before the green signal prevents you from predicting the timing.
If you click before the screen turns green, you get a "Too Early" warning. This means you anticipated the signal rather than reacting to it. The random delay is designed to prevent anticipation and ensure an accurate measurement.
Yes! Your best reaction time, average time, total tests, and your last 50 results are saved in your browser's local storage. No data is sent to any server - everything stays on your device.
Get adequate sleep - fatigue significantly slows reactions. Stay focused and minimize distractions. Practice regularly to build faster neural pathways. Some studies suggest caffeine can temporarily improve reaction speed. Exercise regularly as it improves overall neural function.

Reaction Time Test - Measure Your Reflexes

Our free reaction time test measures how quickly you can respond to a visual stimulus. When the screen turns green, click as fast as possible. Your reaction time is measured in milliseconds from the moment the color changes to your click.

What Is a Good Reaction Time?

The average human reaction time to a visual stimulus is about 250 milliseconds. Gamers and athletes often have faster reaction times, typically 150-200ms. Professional esports players can consistently react in under 180ms.

Tips to Improve Your Reaction Time

Get enough sleep - fatigue significantly slows reaction time. Stay focused and minimize distractions. Practice regularly to build muscle memory. Some studies suggest caffeine can temporarily improve reaction speed. Stay hydrated and maintain good posture.

Popular Searches

reaction time testreaction testreflex testreaction speedreaction time test onlinefree reaction testhow fast are my reflexeshuman reaction timevisual reaction testreaction time gameclick reaction testreaction speed testtest my reflexesreaction time benchmarkreflex speed testreaction time measure

More Gaming Tests

Challenge yourself with more speed and skill tests.

Typing SpeedClick SpeedCoin FlipMagic 8 Ball
ホームラボキッズプロフィール
SonsaurSonsaur

Sonsaur is a free online gaming platform where every game plays instantly in your browser. No downloads, no signups, no waiting. We bring together the best games across every genre - from puzzles and racing to action and multiplayer.

Just pick a game and start playing.

Company
  • About Us
  • Contact Us
  • Blog
  • FAQ
Legal
  • Privacy Policy
  • Terms of Service
  • Cookie Policy
  • DMCA
  • Accessibility
Get the App
Get the App

Play your favorite games on the go. Download the Sonsaur app.

Download on theApp Store
Get it onGoogle Play

Coming soon

© 2026 Sonsaur. All rights reserved. All games are property of their respective owners.

個人情報を販売しない