
WCAG 3.0 Structure Anatomy: From Success Criteria to Outcomes
↻ 2026-07-30 Updated Numbers and terminology have been corrected to reflect the W3C Working Draft of March 3, 2026. The requirement count has been corrected from 170+ to 153 (Core 92 + Supplemental 61), and Foundational has been replaced with Core. The widely-circulated figure of “174” is not traceable to a source, so it has not been used here. Introduction “1.3.1 Info and Relationships - Level A” If you’ve worked with WCAG 2.2, you’re familiar with this format of Success Criteria. Numbers, levels, and clear test conditions. This structure has been the standard for web accessibility for over 15 years. ...