Meaningful Sequence
The programmatic reading order must match the meaningful visual sequence of the content, or screen reader users hear it in a confusing order.
Maps to: WCAG 1.3.2 Meaningful Sequence | Applies to: WCAG 2.0, WCAG 2.1, WCAG 2.2 Introduced in: WCAG 2.0 | Level: A | Read the official specification →
What this rule checks
The scanner checks whether the programmatic reading order matches the meaningful visual sequence. Where Traversal Order Does Not Match Visual Layout targets focusable controls, this rule concerns the sequence of the content itself.
Why it matters
Content whose meaning depends on order — steps in a process, a heading followed by its body, a price next to its product — loses that meaning when announced out of sequence. The user hears all the pieces but cannot reconstruct the whole.
Common failure patterns
- multi-column layouts read column-by-column when the meaning flows row-by-row
- captions announced before the content they describe
- visual ordering achieved purely through positioning while the hierarchy retains insertion order
Remediation guidance
- reorder views in the layout to match the visual reading order
- set the
accessibilityElementsarray on the container to define the correct VoiceOver reading sequence
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