Principle 1 Perceivable · Guideline 1.3: Adaptable
1.3.2 Meaningful Sequence
The order in the code must convey the same meaning as the visual order.
What this means in practice
Screen readers follow source order. Reordering columns in CSS or using flexbox order can create a sequence that makes no sense when read aloud. To check: disable CSS and read what remains.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.