This is likely caused by a slow or unstable internet connection. Please try the following:
Check your browser version is up to date by checking in browser settings, or by using the following site: https://www.whatismybrowser.com/ (Please go through with the update if available)
Ensure there are no file transfers (downloading/uploading) occurring
Pause/close any video streams (Youtube, Netflix, etc)
Have as few windows and tabs open as possible
Use physical (ethernet) connection if possible
Update/Restart computer
Update/Restart router
Move locations for better reception for Hotspot/stronger network
Switch browser (to streamline your experience, our preferred browsers are Chrome, Firefox and Safari, however we do also support Microsoft Edge)
If issues persist, please try accessing the assessment via a different device or connection (for example, mobile hotspot).