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Controller Diagnostic

Drift Timeline Tracker

Track your controller's stick drift over time. Visualize hardware degradation and know exactly when it's time to replace or repair your gamepad.

Understanding Your Timeline

Stable Baseline (0.0% – 2.0%)

Your drift remains consistently below 2.0%. The potentiometers are healthy.

Gradual Degradation (2.1% – 10.0%)

A steady upward trend indicates normal wear. Adjust game deadzones accordingly.

Spiking Failure (> 10.0%)

A sudden jump above 10% indicates debris or a failing sensor. Cleaning or repair needed.

How to Get Started

Just three steps to run a complete controller test and understand your controller's health status.

01

Connect Controller

Connect your controller to your computer via USB cable or Bluetooth. If the browser doesn't respond, press any button on the controller to activate the connection.

02

Button Detection

Press each button in the visual interface and confirm the corresponding area lights up on screen. This helps troubleshoot unresponsive or double-clicking buttons.

03

Sticks & Vibration

Rotate the sticks to check linearity and drift issues; click the vibration test button to feel if the left and right motor feedback is working properly.

What would you like to do next?

Select a diagnostic calibration suite, deadzone analyzer, or high-frequency overclock tool.

Fix

Repair & Calibration

Calibrate zero-point offsets or follow step-by-step repair guides.

Optimize

Game Deadzones

Calculate exact radial vs axial deadzone overlays for Fortnite, Apex, & COD.

Telemetry

Overclock & Circularity

Verify true hardware polling Hz stability and statistical circularity grades.

Why Track Stick Drift Over Time?

Stick drift is rarely an immediate failure. It usually begins as microscopic wear on the potentiometer tracks, causing tiny phantom inputs that your game's default deadzone might mask. Test your controller regularly and track the results here to see the degradation trend before it costs you matches.

Predictive Maintenance for Competitive Gamers

If you play Apex Legends, Valorant, or Rocket League competitively, you need predictable hardware. A timeline that shows drift creeping from 2% to 6% over a few months is an early warning. It tells you to raise your deadzone a few points or start shopping for a replacement — instead of waiting for the stick to fail mid-match.

Frequently Asked Questions

Everything you need to know about testing your controller.

How does the Drift Timeline work?

Every time you use our Stick Drift Test, your results are saved locally in your browser. This timeline charts those historical results so you can see if your drift is worsening over time.

Where is my data stored?

Your history is stored entirely in your browser's local storage. No data is sent to our servers.

How many tests should I do?

We recommend testing your controller once a month to establish a reliable baseline of hardware degradation.

How this test works & its limits
  • This test reads your controller through the browser's standard Gamepad API — no drivers, no installs, nothing leaves your device.
  • Readings depend on connection mode: Bluetooth reports at lower rates than USB. Compare like-for-like (wired vs wired).
  • We measure the input reaching the browser — display lag and game-engine queues are outside this test's view.
  • A clean reading now does not guarantee no drift in-game: deadzones differ per game, and wear develops over time. Use the Drift Timeline to track yours.
  • This is a diagnostic, not a hardware-lab certification. For repair or RMA decisions, confirm with a second run or second tool.
Read the full methodology
100% Client-Side

All Gamepad API data stays in your browser. Zero tracking or data collection.

Instant Results

No downloads, plugins, or software installation needed. Works instantly.

Free Forever

No paywalls, subscription requirements, or hidden usage limits.