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Tips to Improve Computer Performance for Web Assessment

Simple steps to make sure the assessment runs smoothly

Lexplore’s web assessment uses the computer’s webcam together with eye-tracking.
For best results, the computer needs to maintain a high and stable frame rate during the session.

Here’s what you can do before starting:

  • Use “Best Performance” (power mode) instead of battery-saving mode.

  • Always keep the power cable plugged in

  • Make sure the webcam isn’t blocked – if you can see yourself, it’s open

  • Close other video apps such as Teams – they may block or slow down the camera.

  • Close all other programmes – bear in mind that they may be running in the background

  • Close all other tabs in your browser – only keep the screen sharing window open

  • Restart your computer for a fresh start.

  • Update your browser (to the latest version of Chrome or Edge).

  • Use good lighting – make sure the student’s face is well lit.

 

If performance is too low – try this:

  • Try Chrome or Edge if you are using Safari.

  • Clear cookies and other web data. Find out more about how to do this here.

  • Check the camera settings with your IT department. The webcam may be set to a high resolution (for example 1080p), which is unnecessarily demanding for the Web Assessment. Lowering it (for example to 720p) can improve performance.

  • Try on a newer computer if one is available – it helps determine whether the issue is hardware-related.


👉 If you’re not sure whether your computer meets the requirements, see the full list here:Technical Requirements for Web Assessment.

👋 And of course – if you’re unsure or run into problems, you’re always welcome to reach out to Lexplore Support. We’re happy to guide you further.