Setup You'll need ngrok to expose your local site in order to test the page validation. Testing Assuming you are using the Boost theme: Login as a Moodle Administrator: Navigate to Site Administration > Development > Debugging. Ensure that the  Show validator links box is checked. Save changes. Go to your site's home page or other publicly accessible web page on your Moodle site. VERIFY: The  Section 508 Check and  WCAG 1 (2,3) Check links should be gone from the footer of the page. VERIFY: The  Validate HTML and the new  Web Content Accessibility Guidelines (WCAG) check links should both appear in the footer of the page.  Click the  Web Content Accessibility Guidelines (WCAG) check link. VERIFY: The link should take you to the WAVE report for the page being tested. Click the  Validate HTML link. VERIFY: The link should take you to the Nu Html Checker for the page being tested. Here is a sample screenshot of what you would see if you were testing this on the home page of moodle.org: If the 3 verifications produce the expected results, you have successfully completed the testing instructions.