🖱️ Running the Test
1
Pick a duration from the row of buttons above the card. Try 20 seconds first if this is new to you.
2
Hit Start Test. The zone turns blue and waits — the timer does not start yet.
3
Your first click inside the zone starts the timer. Click as fast as you can and keep that effort going until the timer ends.
4
If the zone turns orange mid-test, it means fatigue has been detected. Keep clicking — pushing through gives more accurate results.
5
When time runs out, your drop-off percentage, endurance grade, and full CPS curve appear straight away.
6
Press Reset to run again. You can change the duration before starting a new test.
🔧 Toolbar Buttons
- Ripple circles — turn the click ripple effect on or off
- Speaker icon — turn the click tick sound on or off
- Crosshair icon — turn the zone flash on or off
- ⚙️ Settings — open the full settings panel
- ? Help — open this guide
💡 Always click at your full natural speed from the very first second. The tool looks for natural muscle fatigue, not strategic pacing — holding back at the start will make the results less useful.
📊 What the Numbers Mean
- Drop-off % — the main fatigue score. It measures how much your click speed fell from your fastest moment to your slowest stretch. A smaller number means better endurance.
- Peak CPS — the highest number of clicks you hit in a single second during the test. This is your ceiling speed under fresh conditions.
- Sustained CPS — your average click rate across the final third of the test, after fatigue has had time to set in. This is your floor speed.
- Fatigue Onset Second — the first second where your speed dropped more than 10% below your peak. The later this number is, the longer your stamina held.
- Endurance Grade — a single label from Iron to Legend based on your drop-off percentage.
📈 Reading the CPS Curve Chart
- Flat line — your speed stayed steady from start to finish. This is the pattern you are aiming for.
- Gradual slope down — a steady, slow decline. Normal for most people. Endurance training will flatten this over time.
- Sharp cliff — a sudden drop at a specific second. Your fast-twitch fibres exhausted quickly. Short sets at moderate pace will push that cliff later.
- Spike at the end — an extra burst near the finish line. Common. The sustained floor section is the truer measure of your endurance.
📋 Live Stats Below the Card
The stats strip below the click zone updates in real time while you are clicking. It shows how much time is left, how many clicks you have recorded, your peak CPS so far, and your current drop-off percentage. Use it to keep an eye on whether your speed is holding or fading.
🏆 The Six Endurance Grades
- 🌟 Legend — under 3% drop
Your click speed barely moved across the whole test. Very rare without deliberate endurance training. This grade usually requires either a short test or genuinely elite stamina.
- 💎 Diamond — 3 to 8% drop
Strong, consistent clicking throughout. Your floor speed is very close to your ceiling. You are ready for the demands of competitive gaming at any duration.
- 🥇 Gold — 8 to 15% drop
A solid result. Your speed dropped a little but stayed well above half your peak. Good for competitive play and above average for most gamers.
- ⚪ Silver — 15 to 25% drop
A moderate drop that is common for regular gamers with no specific endurance work. There is clear room to improve through longer training sessions.
- 🟤 Bronze — 25 to 35% drop
A noticeable fall in speed across the test. Your burst speed is strong but your stamina needs work. Longer, slower training sets will make a real difference here.
- ⚙️ Iron — 35% or more drop
A heavy fatigue profile. Your speed drops sharply and fast. Short burst gaming plays to your strengths right now, but endurance training will move you up quickly.
📋 Typical Drop-off by Duration
| Duration | Untrained range | Trained range |
|---|
| 10s | 8–18% | 2–8% |
| 20s | 14–28% | 5–14% |
| 30s | 18–35% | 7–18% |
| 60s | 25–45% | 12–25% |
| 120s | 35–55% | 20–35% |
⏱️ 10 Seconds — Quick Check
The 10-second test is a fast way to see whether any fatigue shows up at all. Most people will see only a small drop at this length. It is good for a quick daily check or for warming up before a longer session, but it does not give enough data for a real endurance assessment.
🎯 20 Seconds — Recommended Starting Point
Twenty seconds is the best first option for new users. It is long enough to produce a real fatigue curve in most people but short enough to keep your effort high throughout. This is the best duration for comparing results with friends or tracking your progress over time.
📊 30 Seconds — The Training Standard
Thirty seconds is the most useful duration for regular training. It puts enough stress on your muscles to show a meaningful fatigue curve and is directly relevant to the length of fights in most competitive games. Most endurance training protocols are built around 30-second sets.
🏃 60 Seconds — Serious Endurance
Sixty seconds is a genuine test of click stamina. Most untrained users see a 25 to 40 percent drop across a full minute of clicking. Your 60-second result is the most honest measure of how your hands perform in long game sessions. Use this duration when you want to compare two mice or benchmark your progress after several weeks of training.
🔥 120 Seconds — Maximum Duration
Two minutes of continuous clicking is an athletic challenge. Your muscles will go through multiple waves of fatigue. Most people experience a sharp drop early, a brief plateau as slower muscle fibres take over, and then a second decline. Completing this mode above 4 clicks per second is a real marker of trained endurance. Rest your hand properly after this test.
⚠️ Always include the duration when you share your result with others. A 10% drop on a 10-second test and a 10% drop on a 60-second test are very different achievements.
🏋️ Six-Week Endurance Plan
- Week 1–2: Five 20-second tests each day at about 70% of your top speed. The goal is a smooth, even rhythm — not maximum effort. Rest for 60 seconds between each attempt.
- Week 3: Add three 30-second tests to your daily session. Start clicking at full effort and check your fatigue onset second after each one.
- Week 4: Switch your main work to 30-second sets. Try to push your fatigue onset second two or three seconds later than where it is now.
- Week 5–6: Add 60-second tests three times a week. Rest for 90 seconds between each set. Use the CPS curve chart to track how your floor speed is rising.
⚠️ Take at least one full rest day every week. Stop right away if you feel any pain, numbness, or tingling in your hand, wrist, or forearm. Tendons take longer to recover than muscles.
📐 How to Read Your Progress
- Your drop-off percentage should fall by 2 to 4 points per week during the first month.
- Your fatigue onset second should move later by 1 to 2 seconds per week as your stamina builds.
- Your sustained CPS (the floor number) rising even slightly week to week is a positive sign.
- If your numbers stop improving after two weeks, increase the duration of your training sets rather than the speed.
🧘 Warm-up Before a Personal Best Attempt
Do two or three easy 10-second tests at half effort before trying for a new grade. Shake out your wrist, spread your fingers wide for ten seconds, and take three slow breaths. Cold muscles produce worse results. A proper warm-up usually recovers one to two percentage points of drop-off compared to a cold start.
🎮 Fatigue by Game Type
- Minecraft PvP (Legacy Combat) — Most fights run between 5 and 20 seconds. Aim for a drop-off under 15% on the 20-second test. Your fatigue onset second tells you exactly how long you can hold your full attack rate before slowing down.
- RTS (StarCraft, Age of Empires) — Matches run for minutes, not seconds. Your 60-second score is the most relevant. Every percentage point of drop-off you remove means more consistent command throughput across the full game.
- MOBA (League of Legends, Dota 2) — Teamfights usually last 10 to 25 seconds. A Gold grade on the 20-second test is a strong result for this kind of play.
- FPS (CS2, Valorant) — Click rate matters less here than timing precision. Silver grade is more than enough for the fast, brief input bursts these games need.
🔢 What Drop-off Looks Like in a Real Fight
| Drop-off % | Peak (30s) | Floor (30s) | In-game effect |
|---|
| Under 5% | 10 CPS | 9.5+ | None — full rate maintained |
| 10% | 10 CPS | 9.0 | Small — barely noticeable |
| 20% | 10 CPS | 8.0 | Moderate — opponent may notice |
| 35% | 10 CPS | 6.5 | High — clear disadvantage late |
| 50% | 10 CPS | 5.0 | Severe — half speed by the end |
🖱️ Mouse Weight and Fatigue
The heavier your mouse, the more work each click takes. That extra effort adds up quickly over a 30-second test and pulls your floor speed down faster than it would with a lighter mouse. Mice under 80 grams tend to produce better endurance results because the per-click effort is low enough that your muscles take longer to tire. If you regularly score Bronze or Iron and your mouse weighs more than 100 grams, switching to a lighter model is likely to improve your grade.
⏱️ Debounce Delay and What It Does to Your Score
Debounce is the tiny pause your mouse applies after each click to stop one press from registering twice. A standard office mouse uses between 25 and 50 milliseconds of debounce, which physically stops more than 20 to 40 clicks per second from registering even if your finger is moving faster. Gaming mice cut this down to 1 to 10 milliseconds. A high-debounce mouse makes your fatigue chart look flatter than it really is because many fast clicks are filtered out before they count.
🔌 Wired vs Wireless
Wireless mice add a small amount of input latency compared to wired ones. In most cases this is under 1 millisecond and will not affect your fatigue test in any meaningful way. The bigger concern is wireless mice that use older 2.4GHz technology with higher latency. If you want the cleanest possible results for comparing two mice, use a cable for both tests.
🌐 Best Browser for Testing
Chrome and Edge process mouse click events slightly faster than other browsers because of how their event loops are optimised. Firefox is close behind. Safari on iOS can add a small tap delay on some pages, but this test is built to suppress that. For the most consistent results, use Chrome or Edge on a desktop or laptop with a wired mouse.
📌 Quick Reference
- What is a good drop-off? — Under 8% is Diamond. 8 to 15% is Gold. Above 25% needs endurance work.
- What is fatigue onset? — The first second your speed dropped more than 10% below your peak.
- Should I pace myself? — No. Click at full effort the whole time for the most honest result.
- Which duration should I start with? — 20 seconds for beginners. 30 seconds for regular training. 60 seconds for a serious benchmark.
- Why did my zone turn orange? — The tool detected a notable drop in your click speed — fatigue has started. Keep going.
- Does the end-of-test spike matter? — Not much. The sustained floor in the last third is the more meaningful number.
- Does mouse weight affect my grade? — Yes. Heavier mice cause earlier fatigue. Mice under 80g tend to produce better endurance scores.
- Is mobile supported? — Yes. Each tap counts as a click. Enable Touch-Optimised Mode in Settings for the best experience.
- Where is my data stored? — Only on your own device in browser storage. Nothing is sent to any server.
- How often should I test? — Once a week for progress tracking. Daily testing with no rest days raises the risk of overuse injury.