ConceptWCAG 2.1 AA
WCAG 2.1 AA
The Level AA conformance requirements of version 2.1 of the Web Content Accessibility Guidelines (WCAG) published by the World Wide Web Consortium (W3C); it is the accessibility standard level most frequently cited in regulations and procurement.
Timeline (last 90 days)
Oct 26
The tool checks PDF documents for accessibility issues against the WCAG 2.1 AA and PDF/UA standards.
Unverified50%
Oct 26
WCAG targets web content, while PDF/UA targets the semantic structure of the PDF document itself, and the two do not fully overlap.
Unverified50%