WCAG 1.3.4
Level AA
Perceivable
1.3.4 Orientation
Content is not locked to a single display orientation (portrait or landscape) unless essential.
What 1.3.4 Orientation means
Users with mounted devices can use the site in whichever orientation suits them.
How to test
Rotate the device and confirm content adapts and is not blocked.
How to meet it
Support both orientations with responsive CSS; avoid orientation-locking unless truly essential.
Need help meeting 1.3.4?
Our IAAP-certified team audits your website and apps against every WCAG 2.2 criterion and delivers code-level remediation.
Official reference: Understanding 1.3.4 Orientation (W3C)
More Perceivable criteria
1.1.1 Non-text Content
1.2.1 Audio-only and Video-only (Prerecorded)
1.2.2 Captions (Prerecorded)
1.2.3 Audio Description or Media Alternative (Prerecorded)
1.2.4 Captions (Live)
1.2.5 Audio Description (Prerecorded)
1.3.1 Info and Relationships
1.3.2 Meaningful Sequence
1.3.3 Sensory Characteristics
1.3.5 Identify Input Purpose
1.4.1 Use of Color
1.4.2 Audio Control
1.4.3 Contrast (Minimum)
1.4.4 Resize Text
1.4.5 Images of Text
1.4.10 Reflow
1.4.11 Non-text Contrast
1.4.12 Text Spacing
1.4.13 Content on Hover or Focus