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Technical Requirements for Web Assessment

What you need for smooth and reliable results

Lexplore’s web assessment runs directly in the browser using webcam-based eye-tracking. To work well and give reliable results, make sure the setup meets these conditions:

  • Screen: A laptop or desktop with a screen at least 13" and resolution of 1024 px or higher

  • Webcam: HD webcam (720p), preferably 30 frames per second (slightly lower can still work)

  • Processor (CPU): Intel Core i5 / AMD Ryzen 5 or better

  • Browser: Latest version of Google Chrome, Microsoft Edge, or Safari (Mac only)

  • Power: Keep the laptop plugged in (avoid battery saver mode)

  • Internet: A stable connection - wired is best, otherwise strong Wi-Fi close to the router

  • Lighting: The student’s face must be clearly visible in a well-lit room. Avoid strong light from behind (for example, sitting in front of a window), as this makes the face too dark for the camera. Light from the front or side works best.

👉 Practical tips if the frame rate is too low: Tips to Improve Computer Performance for Web Assessment