What is it?

This screen highlights technical faults in this website, including pages which fail to load, missing files, and coding errors.

UX functionality screen

What it covers

  • HTTP errors – such as 4xx and 5xx error codes. Note that this does not include 404s (Page Not Found errors), which are reported separately as broken links.
  • Missing files – such as images, CSS, or JavaScript.
  • JavaScript errors and log messages – these can indicate potential faults or accidentally reveal information left behind from development.