Conformance & Severity Explanation


Severity Explanations

Errors

Issues that can be tested automatically and where the instances are with certainty violations the Web Content Accessibility Guidelines (WCAG) 2.0.

    Warnings

    Issues that can be tested automatically and where the instances are accessibility best practice violations.

      Reviews

      Issues that cannot be checked automatically but requires a manual inspection to determine if each item lives up to the success criteria.

        Conformance Level Explanations

        Level A

          Level A is the minimum level of conformance in the Web Content Accessibility Guidelines (WCAG) 2.0. For Level A conformance, the Web page satisfies all the Level A Success Criteria, or a conforming alternate version is provided.

            Level AA

              Level AA is the medium level of conformance in the Web Content Accessibility Guidelines (WCAG) 2.0. For Level AA conformance, the Web page satisfies all the Level A and Level AA Success Criteria, or a Level AA conforming alternate version is provided.

                Level AAA

                  Level AAA is the highest level of conformance in the Web Content Accessibility Guidelines (WCAG) 2.0. For Level AAA conformance, the Web page satisfies all the Level A, Level AA and Level AAA Success Criteria, or a Level AAA conforming alternate version is provided. It is not recommended that Level AAA conformance be required as a general policy for entire sites because it is not possible to satisfy all Level AAA Success Criteria for some content.

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