WCAG 1.3.4
Orientation
- Level AA
- WCAG 2.1
- Principle 1: Perceivable
- EN 301 549: 9.1.3.4
In short
Content does not restrict its view to a single display orientation unless essential.
How Percelia tests it
Percelia decides this criterion deterministically with high reliability. Clear cases are auto-accepted at high confidence.
Official source
W3C Understanding document (w3.org)
Criteria under the same guideline
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