Definition Understanding and operating on content on the page must not rely solely on the shape, size, visual location, orientation, or sound.
Purpose
  • People with visual impairments and learning disabilities that affect the visual processing of information may not be able to perceive the content or identify the purpose of links and controls.
  • People with hearing impairments and learning disabilities that affect the auditory processing of information may not be able to perceive the content or identify the purpose of links and controls.
Mappings
  • HTML4 Legacy Techniques (Recommended)
  • HTML5 and ARIA Techniques (Required)
WCAG 2.0 Success Criteria

1.3.3 Sensory Characteristics (Level A, Primary Success Criterion)

Rule Category Styling/Content
Scope Page
Target Resources Images used for links and controls
Techniques
  • Provide redundant text labels and references in addition to references to shape, size, visual location or sound.
Manual Checks
  • Verify that understanding the content, navigation of links and operation of controls and widgets does not depend solely on the shape, size, visual location, orientation, or sound.
Informational Links