Web Accessibility

  1. Principle 3: Understandable
    1. Guideline 3.1: Readable Content
      1. Language Identification
        1. Page Language Declaration
          1. Content Language Changes
            1. Language Attribute Usage
            2. Unusual Words
              1. Jargon Definitions
                1. Technical Term Explanations
                  1. Idiom Clarifications
                  2. Abbreviations
                    1. Abbreviation Expansions
                      1. Acronym Definitions
                        1. First Use Explanations
                        2. Reading Level
                          1. Plain Language Usage
                            1. Supplementary Content
                              1. Alternative Versions
                              2. Pronunciation
                                1. Pronunciation Guides
                                  1. Audio Pronunciations
                                    1. Phonetic Spellings
                                  2. Guideline 3.2: Predictable Interface
                                    1. On Focus Behavior
                                      1. Context Change Prevention
                                        1. Predictable Focus Actions
                                          1. User Expectation Management
                                          2. On Input Behavior
                                            1. Input Change Prevention
                                              1. Form Submission Control
                                                1. Automatic Updates
                                                2. Consistent Navigation
                                                3. Consistent Identification
                                                  1. Component Identification
                                                    1. Function Consistency
                                                      1. Icon Consistency
                                                      2. Change on Request
                                                        1. User-Initiated Changes
                                                          1. Change Confirmation
                                                            1. Change Reversal Options
                                                          2. Guideline 3.3: Input Assistance
                                                            1. Error Identification
                                                              1. Error Detection
                                                                1. Error Description
                                                                  1. Error Location Indication
                                                                  2. Labels and Instructions
                                                                    1. Form Field Labels
                                                                      1. Input Instructions
                                                                        1. Required Field Indication
                                                                        2. Error Suggestion
                                                                          1. Correction Suggestions
                                                                            1. Valid Input Examples
                                                                              1. Format Requirements
                                                                              2. Error Prevention
                                                                                1. Financial Transaction Prevention
                                                                                  1. Data Modification Prevention
                                                                                  2. Context-Sensitive Help
                                                                                    1. Help Text Provision
                                                                                      1. Instructional Content

                                                                                  Previous

                                                                                  5. Principle 2: Operable

                                                                                  Go to top

                                                                                  Next

                                                                                  7. Principle 4: Robust