Perceivable — 20 WCAG Criteria
Principle description
The Perceivable principle ensures that information and user interface components must be presentable to users in ways they can perceive. This includes providing text alternatives for non-text content, captions for multimedia, adaptable content that can be presented in different ways, and distinguishable content with sufficient contrast.
The 20 criteria
- 1.1.1A
Non-text Content
- 1.2.1A
Audio-only and Video-only (Prerecorded)
- 1.2.2A
Captions (Prerecorded)
- 1.2.3A
Audio Description or Media Alternative (Prerecorded)
- 1.2.4AA
Captions (Live)
- 1.2.5AA
Audio Description (Prerecorded)
- 1.3.1A
Info and Relationships
- 1.3.2A
Meaningful Sequence
- 1.3.3A
Sensory Characteristics
- 1.3.4AA
Orientation
- 1.3.5AA
Identify Input Purpose
- 1.4.1A
Use of Color
- 1.4.2A
Audio Control
- 1.4.3AA
Contrast (Minimum)
- 1.4.4AA
Resize Text
- 1.4.5AA
Images of Text
- 1.4.10AA
Reflow
- 1.4.11AA
Non-text Contrast
- 1.4.12AA
Text Spacing
- 1.4.13AA
Content on Hover or Focus
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