WCAG 2.1
WCAG 2.1 is a W3C accessibility standard published in June 2018. It extends WCAG 2.0 by adding mobile accessibility plus additional success criteria for people with low vision, cognitive and learning disabilities.Level A0% Pages with level A issues have critical accessibility barriers and are unusable by some people.
Level AA0% Pages with level AA issues have major accessibility barriers and are very difficult to use.
Level AAA0% Pages with level AAA issues have minor accessibility barriers and can be difficult to use.
Section 508
Section 508 of the Rehabilitation Act of 1973 requires that US Federal employees with disabilities have access to information comparable to employees without disabilities. The Section 508 technical requirements for websites were updated in January 2017, to incorporate WCAG 2.0 at level AA by reference.Level A0% Pages with level A issues have critical accessibility barriers and are unusable by some people.
Level AA0% Pages with level AA issues have major accessibility barriers and are very difficult to use.
ARIA
WAI-ARIA, the Accessible Rich Internet Applications Suite, defines a way to make web content and web applications more accessible to people with disabilities.Errors0% Errors indicate conformance errors, and appear when mandatory specification requirements are not met.
Warnings0% Warnings do not indicate conformance errors, but appear when optional specification requirements are not met.