01
Core requirements
Semantic HTML, keyboard operation, visible focus, sufficient contrast, touch targets, zoom and reflow, reduced motion, language and direction, and screen-reader naming.
02
Data alternatives
Charts require a text finding and table. Maps require a non-map alternative. Color cannot be the only carrier of status or change.
03
Review
Automated checks support but do not replace manual keyboard, screen-reader, zoom, contrast, motion, touch, English, and Dhivehi review.