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Check your website or HTML for accessibility issues against WCAG, Section 508, and ADA standards.
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Accessibility Standard
WCAG 2.0 A
Web Content Accessibility Guidelines 2.0 Level A — the minimum level of conformance.
WCAG 2.0 AA
Web Content Accessibility Guidelines 2.0 Level AA — the recommended level of conformance for most organizations.
WCAG 2.1 A
Web Content Accessibility Guidelines 2.1 Level A — includes new criteria for mobile and cognitive accessibility.
WCAG 2.1 AA
Web Content Accessibility Guidelines 2.1 Level AA — the current recommended standard for web accessibility.
WCAG 2.1 AAA
Web Content Accessibility Guidelines 2.1 Level AAA — the highest level of conformance, not required for most sites.
Section 508
U.S. federal accessibility standard requiring electronic and information technology to be accessible to people with disabilities.
ADA Compliance
Americans with Disabilities Act compliance — maps to WCAG 2.0 AA as the generally accepted technical standard.
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