Compliance
WCAG 2.2 Overview
Web Content Accessibility Guidelines: 4 principles, 13 guidelines, 86 success criteria at Levels A/AA/AAA. Level AA is the legal standard worldwide. 2.2 adds 9 new criteria for mobile, cognitive, and focus.
In plain terms
The international rulebook for digital accessibility. 'Level AA' is the bar most laws expect you to meet.
Why this matters
WCAG is the standard nearly every accessibility law points to — meet it and you meet most legal obligations worldwide. Knowing what it covers is the foundation of any compliance or design effort.