あなたの 反応速度
を即座にテスト
ミリ秒単位で反射速度を測定。緑が表示されたらクリック — 自分の速さを確認しましょう。
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あなたの反応時間
0
ミリ秒
早すぎます！
緑の前にクリックしました。もう一度お試しください。
反応時間の統計
他の人と比べてどうですか？
250ms
平均的な人間
150ms
プロゲーマー
180ms
アスリート
100ms
最速記録
使い方
反応速度を測定する3つの簡単なステップ
スタートをクリック
テストエリアをクリックまたはスペースバーを押して開始。画面が赤くなります。
緑を待つ
ランダムな遅延（2-5秒）の後、画面が緑に変わります。集中してください！
速度を確認
反応時間がミリ秒単位でパーセンタイルランキングとともに表示されます。
Reaction Time Testを使う理由
速度、正確さ、プレミアム体験のために設計
⚡ 永久無料
サブスクリプションなし、隠れた料金なし。常に無料。
🎯 即時結果
ミリ秒単位で反応時間を即座に確認。
📱 モバイル対応
スマホ、タブレット、デスクトップで完璧に動作。
🔓 登録不要
すぐにテスト開始。アカウント不要。
🛡️ プライバシー重視
全データはローカル保存。デバイスから出ません。
📈 進歩を追跡
ベストスコアと平均統計の履歴追跡。
反応時間の統計
| Category | Time | Level |
|---|---|---|
| 素晴らしい！ | < 150ms | Top esports / elite athlete |
| 良い | 150 – 200ms | Competitive gaming ready |
| 平均 | 200 – 250ms | Typical healthy adult |
| 遅い | > 300ms | Fatigued / needs practice |
🎯 Reaction Time Testを使う理由
🎮 Gaming
In FPS games like CS2, Valorant, and Apex Legends, 150ms vs 250ms reaction time is the difference between winning and losing every duel. Pro players achieve 140-180ms consistently.
🚗 Driving
At 60mph your car travels 88 feet per second. A 200ms delay means 17 feet of travel before your foot hits the brake. Faster reflexes = shorter stopping distances.
⚽ Sports
Sprinters react to the gun, goalkeepers dive on penalties, boxers slip punches. Athletes train their reaction time as a core performance metric.
🧠 Daily Life
Catching falling objects, navigating crowds, responding to alerts. People with faster reactions feel more coordinated and in control.
Factors That Affect Reaction Time
💤 Sleep: Even 1-2 hours of lost sleep slows reactions by 20%. Being awake 17+ hours equals 0.05% blood alcohol.
🎂 Age: Reactions peak in your early 20s, then slow ~10ms per decade. Regular training significantly reduces age-related decline.
☕ Caffeine: 200mg caffeine improves reaction time by ~11ms. Use strategically before important sessions.
💧 Hydration: Even mild dehydration (2% body weight) impairs cognitive function and slows reactions by 5-10%.
🖥️ Device: 144Hz monitor vs 60Hz, gaming mouse vs touchscreen — hardware adds 1-30ms of input latency.
How to Improve Your Reaction Time
- ✓Practice daily — 10 minutes of reaction drills each day shows measurable improvement in 2-4 weeks.
- ✓Sleep 7-9 hours — A well-rested brain reacts significantly faster than a fatigued one.
- ✓Exercise regularly — Cardio increases brain blood flow, supporting faster neural processing.
- ✓Play fast-paced games — Action games train visual processing and quick decision-making.
- ✓Stay hydrated — Even mild dehydration slows reaction time by 5-10%.
- ✓Practice mindfulness — Better focus = faster reactions. Meditation improves concentration.
Reaction Time for Gamers
In competitive gaming, every millisecond counts. Pro FPS players achieve 150-180ms consistently through thousands of hours of training. Esports organizations use reaction tests to track fatigue, monitor performance dips, and set improvement targets.
💡 Pro tip: Benchmark before and after long sessions. If numbers drop after 2-3 hours, take a break.
Reaction Time for Athletes
Reaction time determines whether a sprinter explodes from the blocks, a goalkeeper dives correctly, or a boxer slips a punch. Sports scientists use reflex tests quarterly to assess growth and detect burnout before other symptoms appear.
Reaction Time by Age
| Age | Avg Time | Notes |
|---|---|---|
| 10–17 | 250–280ms | Developing nervous system |
| 18–24 | 190–220ms | Peak reaction time |
| 25–35 | 200–240ms | Near peak with training |
| 36–50 | 220–270ms | Gradual slowing |
| 51–65 | 250–320ms | Noticeable decline |
| 65+ | 280–400ms | Active individuals perform better |
Reaction Time Across Game Genres
🔫 FPS (CS2, Valorant)
Required: 140-200ms. Who fires first wins.
🏎️ Racing (F1, iRacing)
Required: 150-220ms. Split-second overtakes.
⚔️ Fighting (SF6, Tekken)
Required: 160-250ms. Block and punish frames.
🏰 MOBA (LoL, Dota 2)
Required: 200-300ms. Dodge skillshots and react to ganks.
Daily Routine for Peak Performance
Morning: Hydrate + Light Exercise
500ml water + 15-20 min cardio increases brain blood flow by 20%.
Pre-Session: 100-200mg Caffeine
30 minutes before testing. Improves reaction time by ~11ms.
Training: 10 Minutes Reaction Drills
5 warmup clicks, then 10-15 measured attempts. Track your average.
Focus: 5-Minute Mindfulness
Brief meditation sharpens attention, reduces anticipation errors.
Night: 7-9 Hours Quality Sleep
Brain consolidates neural pathways. Skipping adds 30-50ms to reaction time.
Scientific Facts About Reflexes
- 🔬The minimum human reaction time is ~100ms — only achievable by a small percentage of trained individuals.
- 🧠The signal path: eyes → optic nerve → visual cortex → motor cortex → muscles, all in under 0.25 seconds.
- 🎮Studies confirm gamers have significantly faster reaction times than non-gamers across all age groups.
- ☕Caffeine improves reaction time by ~11ms at optimal dose (200mg).
- 📉Reaction time slows ~10ms per decade after mid-20s, but trained people deteriorate much slower.
Common Mistakes
❌ Clicking before the signal — registers as false start.
❌ Testing while distracted — gives inaccurate, slower scores.
❌ Taking only one attempt — always run at least 5 and use the average.
❌ Testing on a loaded device — close tabs, background processes add lag.
❌ Comparing across devices — mouse on 144Hz ≠ tap on old phone.
Who Should Use This Tool?
よくある質問
反応時間テストについて知っておくべきこと
反応時間テストとは？
反応時間テストは、視覚刺激にどれだけ早く反応できるかを測定します。画面の色が変わったら、できるだけ早くクリックします。
人間の平均反応時間は？
視覚刺激に対する人間の平均反応時間は約250ミリ秒です。年齢や練習により異なります。
反応時間を改善するには？
定期的な練習、十分な睡眠、適切な栄養、水分補給、気晴らしの軽減により改善できます。
このテストは正確ですか？
はい。高解像度ブラウザタイマーを使用してミリ秒精度で測定します。
ゲームに適した反応時間は？
競技ゲームでは200ms未満が良いとされます。プロ選手は通常140-180msです。
年齢は反応時間に影響しますか？
はい、反応時間は20代前半にピークを迎え、年齢とともに徐々に遅くなります。