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What is WCAG?

What is WCAG? WCAG stands for the Web Content Accessibility Guidelines.

They're the global standard for making websites accessible to people with disabilities, including those with vision, hearing, motor, and cognitive impairments.

WCAG accessibility standards are organized around four principles: content must be Perceivable, Operable, Understandable, and Robust. Those four principles are known as POUR.

Each guideline is also organized around a conformance level: A, AA, or AAA. Most legal and regulatory frameworks — including the Americans with Disabilities Act and EN 301 549 — reference WCAG 2.1 or 2.2 Level AA as the baseline for compliance.

If your website doesn't meet WCAG standards, you're likely excluding millions of users — and exposing your business to legal risk.

For more information on WCAG accessibility guidelines and how to meet them, check out the links in the description.

  • WCAG, the Web Content Accessibility Guidelines, is the global standard for web accessibility. Developed by the W3C, WCAG defines how websites should be built so people with disabilities can perceive, operate, understand, and navigate digital content.

    WCAG is organized around four principles (POUR): Perceivable, Operable, Understandable, and Robust. Conformance levels range from A to AAA, with Level AA being the benchmark cited by the ADA, the European Accessibility Act, and most global accessibility laws.