Supported Browsers and Devices
| Operating System | Browser | Minimum Version |
|---|---|---|
| Windows | Chrome | 82 |
| Windows | Firefox | 78 |
| Windows | Edge | 88 |
| Linux | Chrome | 82 |
| macOS | Safari | 12 |
| macOS | Chrome | 82 |
| macOS | Firefox | 78 |
| Android | Chrome | 82 |
| iOS (iPad/iPhone) | Safari | 14.1 |
| iOS (iPad/iPhone) OS 16.1+ | Chrome | 82 |
How to Verify Your Device
Open the demo test link
Visit the demo test to confirm your device and browser are compatible:Take the Demo Test
Grant camera, microphone, and screen share permissions
When prompted, allow your browser to access the camera and microphone. You will also be asked to share your screen — select Entire screen and click Share. If any of these permissions fail, your browser or device may not be supported.





The demo test does not consume test credits from any account. Candidates can take it as many times as they need.
Common Compatibility Issues
| Problem | Likely Cause | Solution |
|---|---|---|
| Test stuck at loading screen | Unsupported browser or outdated version | Update the browser or switch to Chrome |
| Camera not detected | Browser permissions blocked | Allow camera access in browser settings |
| Test runs slowly or lags | Device is too old or low on resources | Close other applications, or use a newer device |
| Screen share prompt missing | Browser does not support screen capture API | Switch to Chrome or Edge on desktop |
Related Resources
- Test Stuck at Loading Screen — Troubleshoot loading issues
- Slow and Laggy Test — Fix performance problems
- Blank Page or Grey Screen — Resolve display issues
- Proctored Test Instructions — What candidates need to know before starting
- Best Practices for Test Creators — Tips including sharing the demo test in advance