BOSA Accessibility Check is a client-side JavaScript application that checks a HTML document or source code, and detects violations of a defined coding standard. Comes with standards that cover the three conformance levels of the W3C's Web Content Accessibility Guidelines (WCAG) 2.1 and the U.S. Section 508 legislation.
If you use "show results for" to filter the report, the "export" link moves outside the box and becomes unreachable.