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WCAG

The Web Content Accessibility Guidelines, the international standard for accessible web content that most laws point at.

Also called
Web Content Accessibility Guidelines

WCAG is the Web Content Accessibility Guidelines, published by the World Wide Web Consortium (W3C). It is the document most accessibility laws, contracts, and procurement rules name when they say what an accessible website is. The current version is WCAG 2.2; laws also name 2.1 and 2.0.

It is built on four principles, perceivable, operable, understandable, and robust, and under them sit testable success criteria at three levels: A, AA, and AAA. Level AA is what laws and contracts ask for. The guidelines are written for web content and are also applied to apps and documents. The W3C notes that following them will not address every user need, which is why human testing still matters.

Source

Web Content Accessibility Guidelines (WCAG) 2.2

World Wide Web Consortium (W3C), 2024. Checked .

Success criterion
One testable requirement in WCAG, with a number, a level, and a plain statement of what must be true.
Conformance level
WCAG’s three tiers of requirements, A, AA, and AAA, where Level AA is what laws and contracts ask for.
POUR
The four WCAG principles, perceivable, operable, understandable, and robust, remembered by their first letters.
WCAG 2.2
The current version of the Web Content Accessibility Guidelines, a W3C Recommendation.
EN 301 549
The European standard for accessible technology, whose web requirements follow WCAG 2.1 Level AA.

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