All Understanding documents

Perceivable

  1. 1.1 Text Alternatives
    1. 1.1.1 Non-text Content
  2. 1.2 Time-based Media
    1. 1.2.1 Audio-only and Video-only (Prerecorded)
    2. 1.2.2 Captions (Prerecorded)
    3. 1.2.3 Audio Description or Media Alternative (Prerecorded)
    4. 1.2.4 Captions (Live)
    5. 1.2.5 Audio Description (Prerecorded)
    6. 1.2.6 Sign Language (Prerecorded)
    7. 1.2.7 Extended Audio Description (Prerecorded)
    8. 1.2.8 Media Alternative (Prerecorded)
    9. 1.2.9 Audio-only (Live)
  3. 1.3 Adaptable
    1. 1.3.1 Info and Relationships
    2. 1.3.2 Meaningful Sequence
    3. 1.3.3 Sensory Characteristics
    4. 1.3.4 Orientation
    5. 1.3.5 Identify Input Purpose
    6. 1.3.6 Identify Purpose
  4. 1.4 Distinguishable
    1. 1.4.1 Use of Color
    2. 1.4.2 Audio Control
    3. 1.4.3 Contrast (Minimum)
    4. 1.4.4 Resize text
    5. 1.4.5 Images of Text
    6. 1.4.6 Contrast (Enhanced)
    7. 1.4.7 Low or No Background Audio
    8. 1.4.8 Visual Presentation
    9. 1.4.9 Images of Text (No Exception)
    10. 1.4.10 Reflow
    11. 1.4.11 Non-text Contrast
    12. 1.4.12 Text Spacing
    13. 1.4.13 Content on Hover or Focus

Operable

  1. 2.1 Keyboard Accessible
    1. 2.1.1 Keyboard
    2. 2.1.2 No Keyboard Trap
    3. 2.1.3 Keyboard (No Exception)
    4. 2.1.4 Character Key Shortcuts
  2. 2.2 Enough Time
    1. 2.2.1 Timing Adjustable
    2. 2.2.2 Pause, Stop, Hide
    3. 2.2.3 No Timing
    4. 2.2.4 Interruptions
    5. 2.2.5 Re-authenticating
    6. 2.2.6 Timeouts
  3. 2.3 Seizures and Physical Reactions
    1. 2.3.1 Three Flashes or Below Threshold
    2. 2.3.2 Three Flashes
    3. 2.3.3 Animation from Interactions
  4. 2.4 Navigable
    1. 2.4.1 Bypass Blocks
    2. 2.4.2 Page Titled
    3. 2.4.3 Focus Order
    4. 2.4.4 Link Purpose (In Context)
    5. 2.4.5 Multiple Ways
    6. 2.4.6 Headings and Labels
    7. 2.4.7 Focus Visible
    8. 2.4.8 Location
    9. 2.4.9 Link Purpose (Link Only)
    10. 2.4.10 Section Headings
    11. 2.4.11 Focus Visible (Enhanced)
  5. 2.5 Input Modalities
    1. 2.5.1 Pointer Gestures
    2. 2.5.2 Pointer Cancellation
    3. 2.5.3 Label in Name
    4. 2.5.4 Motion Actuation
    5. 2.5.5 Target Size
    6. 2.5.6 Concurrent Input Mechanisms
    7. 2.5.7 Dragging

Understandable

  1. 3.1 Readable
    1. 3.1.1 Language of Page
    2. 3.1.2 Language of Parts
    3. 3.1.3 Unusual Words
    4. 3.1.4 Abbreviations
    5. 3.1.5 Reading Level
    6. 3.1.6 Pronunciation
  2. 3.2 Predictable
    1. 3.2.1 On Focus
    2. 3.2.2 On Input
    3. 3.2.3 Consistent Navigation
    4. 3.2.4 Consistent Identification
    5. 3.2.5 Change on Request
  3. 3.3 Input Assistance
    1. 3.3.1 Error Identification
    2. 3.3.2 Labels or Instructions
    3. 3.3.3 Error Suggestion
    4. 3.3.4 Error Prevention (Legal, Financial, Data)
    5. 3.3.5 Help
    6. 3.3.6 Error Prevention (All)
    7. 3.3.7 Accessible Authentication

Robust

  1. 4.1 Compatible
    1. 4.1.1 Parsing
    2. 4.1.2 Name, Role, Value
    3. 4.1.3 Status Messages