Mary Knize

Understanding WCAG

Index

  • Introduction

  • Principle 1 - Perceivable

    • Guideline 1.2 - Time-based Media
      • 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)
      • 1.2.6 - Sign Language (Prerecorded)
      • 1.2.7 - Extended Audio Description (Prerecorded)
      • 1.2.8 - Media Alternative (Prerecorded)
      • 1.2.9 - Audio-only (Live)
    • Guideline 1.4 - Distinguishable
      • 1.4.1 - Use of color
      • 1.4.2 - Audio Control
      • 1.4.3 - Contrast
      • 1.4.4 - Resize text
      • 1.4.5 - Images of Text
      • 1.4.6 - Contrast (Enhanced)
      • 1.4.7 - Low or No Background Audio
      • 1.4.8 - Visual Presentation
      • 1.4.9 - Images of Text (No Exception)
      • 1.4.10 - Reflow
      • 1.4.11 - Non-text Contrast
      • 1.4.12 - Text Spacing
      • 1.4.13 - Content on Hover or Focus
  • Principle 2 - Operable

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

    • Guideline 3.1 - Readable
      • 3.1.1 - Language of Page
      • 3.1.2 - Language of Parts
      • 3.1.3 - Unusual Words
      • 3.1.4 - Abbreviations
      • 3.1.5 - Reading Level
      • 3.1.6 - Pronunciation
    • Guideline 3.2 - Predictable
      • 3.2.1 - On Focus
      • 3.2.2 - On Input
      • 3.2.3 - Consistent Navigation
      • 3.2.4 - Consistent Identification
      • 3.2.5 - Change on Request
    • Guideline 3.3 - Input Assistance
      • 3.3.1 - Error Identification
      • 3.3.2 - Labels or Instructions
      • 3.3.3 - Error Suggestion
      • 3.3.4 - Error Prevention (Legal, Financial, Data)
      • 3.3.5 - Help
      • 3.3.6 - Error Prevention (All)
  • Principle 4 - Robust

    • Guideline 4.1 - Robust
      • 4.1.1 - Parsing
      • 4.1.2 - Name, Role, Value
      • 4.1.3 - Status Messages