WCAG Conformance

The degree to which a website or web application meets the requirements defined in the Web Content Accessibility Guidelines (WCAG). WCAG defines three conformance levels: Level A (minimum, addressing the most critical barriers), Level AA (the standard target for most regulations and policies, including the EU Web Accessibility Directive and Section 508), and Level AAA (the highest level, often impractical to achieve for all content). Conformance requires that all pages satisfy all success criteria at the target level, with no accessibility-supported alternatives failing. Large-scale evaluations consistently show that the vast majority of websites fail to achieve even Level A conformance.