Web Accessibility

  1. Principle 1: Perceivable
    1. Guideline 1.1: Text Alternatives
      1. Image Alternative Text
        1. Informative Image Alt Text
          1. Decorative Image Handling
            1. Complex Image Descriptions
              1. Alt Text Writing Guidelines
              2. Non-Text Content Alternatives
                1. Audio Content Alternatives
                  1. Video Content Alternatives
                    1. Interactive Element Labels
                    2. Alternative Text Implementation
                      1. HTML Alt Attributes
                        1. ARIA Label Techniques
                          1. Long Description Methods
                        2. Guideline 1.2: Time-Based Media
                          1. Prerecorded Audio Content
                            1. Transcript Requirements
                              1. Caption Synchronization
                                1. Audio Description Needs
                                2. Prerecorded Video Content
                                  1. Caption Implementation
                                    1. Audio Description Provision
                                      1. Sign Language Interpretation
                                      2. Live Audio and Video
                                        1. Real-Time Captioning
                                          1. Live Audio Description
                                            1. Streaming Accessibility
                                            2. Media Player Accessibility
                                              1. Keyboard Controls
                                                1. Screen Reader Compatibility
                                                  1. Caption Display Options
                                                2. Guideline 1.3: Adaptable Content
                                                  1. Information Structure
                                                    1. Semantic HTML Usage
                                                      1. Heading Hierarchy
                                                        1. List Structure Implementation
                                                        2. Meaningful Sequences
                                                          1. Reading Order Logic
                                                            1. Content Flow Management
                                                            2. Sensory Characteristics
                                                              1. Color Independence
                                                                1. Shape Independence
                                                                  1. Position Independence
                                                                    1. Sound Independence
                                                                    2. Content Relationships
                                                                      1. Form Label Associations
                                                                        1. Table Header Relationships
                                                                          1. Content Grouping
                                                                        2. Guideline 1.4: Distinguishable Content
                                                                          1. Color Usage
                                                                            1. Color Contrast Requirements
                                                                              1. Color Alone Avoidance
                                                                                1. Contrast Ratio Calculations
                                                                                2. Audio Control
                                                                                  1. Background Audio Management
                                                                                    1. Audio Interference Prevention
                                                                                      1. Volume Control Options
                                                                                      2. Visual Presentation
                                                                                        1. Text Resizing Capabilities
                                                                                          1. Responsive Design Implementation
                                                                                            1. Content Reflow Management
                                                                                            2. Enhanced Contrast
                                                                                              1. Enhanced Contrast Ratios
                                                                                                1. Graphical Object Contrast
                                                                                                  1. User Interface Component Contrast
                                                                                                  2. Text Spacing
                                                                                                    1. Line Height Adjustments
                                                                                                      1. Letter Spacing Modifications
                                                                                                        1. Word Spacing Changes
                                                                                                          1. Paragraph Spacing Alterations
                                                                                                          2. Content on Hover and Focus
                                                                                                            1. Dismissible Content
                                                                                                              1. Hoverable Content
                                                                                                                1. Persistent Content

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                                                                                                            3. Web Content Accessibility Guidelines (WCAG)

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                                                                                                            5. Principle 2: Operable