Accessibility glossary

Conformance level

WCAG’s A, AA, and AAA tiers indicating how fully content meets the guidelines.

A is the minimum, AA is the standard required by most laws, and AAA is the highest (not generally required site-wide). Each success criterion is assigned a level.

Related terms

Frequently asked questions

What does Conformance level mean?
WCAG’s A, AA, and AAA tiers indicating how fully content meets the guidelines.

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