axe Rules 4.3
Rulesets
Rulesets : Functional Accessibility Evaluator 2.1
The Functional Accessibility Evaluator (FAE) evaluates a website or a single web page based on the W3C Web Content Accessibility Guidelines (WCAG) 2.0 Level A and AA requirements.
WCAG ACT Rules | Web Accessibility Initiative (WAI) | W3C
Accessibility resources free online from the international standards organization: W3C Web Accessibility Initiative (WAI).