Master WCAG 2.1/3.0 success criteria vocabulary including the POUR principles, conformance levels, and audit terminology.
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What does the WCAG acronym POUR stand for?
POUR is the four-principle framework of WCAG: content must be Perceivable, Operable, Understandable, and Robust for all users.
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A website is described as meeting 'WCAG 2.1 Level AA'. What does Level AA mean?
WCAG defines three conformance levels: A (minimum), AA (mid-level, most commonly required by laws and regulations), and AAA (highest/optional enhancements).
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A tester says 'the page fails success criterion 1.4.3'. What is success criterion 1.4.3 about?
SC 1.4.3 (Contrast Minimum) requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text between foreground and background colours.
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Which WCAG principle covers the requirement that users must be able to navigate and use interface components with a keyboard?
The Operable principle (Principle 2) covers all interaction requirements, including keyboard accessibility (guideline 2.1) and sufficient time to interact (guideline 2.2).
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In a WCAG audit report, what does 'SC 4.1.2 — Name, Role, Value' test?
SC 4.1.2 requires that all user interface components have a name and role that can be programmatically determined, and states/values that can be set programmatically — critical for screen reader compatibility.