Appendix A: WCAG 2.1 Success Criteria – Level AAA

• A.1 WCAG 2.1 Success Criterion 1.2.6 － Sign Language (Prerecorded)
• A.2 WCAG 2.1 Success Criterion 1.2.7 － Extended Audio Description (Prerecorded)
• A.3 WCAG 2.1 Success Criterion 1.2.8 － Media Alternative (Prerecorded)
• A.4 WCAG 2.1 Success Criterion 1.2.9 － Audio-only (Live)
• A.5 WCAG 2.1 Success Criterion 1.3.6 – Identify Purpose
• A.6 WCAG 2.1 Success Criterion 1.4.6 － Contrast (Enhanced)
• A.7 WCAG 2.1 Success Criterion 1.4.7 － Low or No Background Audio
• A.8 WCAG 2.1 Success Criterion 1.4.8 － Visual Presentation
• A.9 WCAG 2.1 Success Criterion 1.4.9 － Images of Text (No Exception)
• A.10 WCAG 2.1 Success Criterion 2.1.3 － Keyboard (No Exception)
• A.11 WCAG 2.1 Success Criterion 2.2.3 － No Timing
• A.12 WCAG 2.1 Success Criterion 2.2.4 － Interruptions
• A.13 WCAG 2.1 Success Criterion 2.2.5 － Re-authenticating
• A.14 WCAG 2.1 Success Criterion 2.2.6 – Timeouts
• A.15 WCAG 2.1 Success Criterion 2.3.2 － Three Flashes
• A.16 WCAG 2.1 Success Criterion 2.3.3 – Animation from Interactions
• A.17 WCAG 2.1 Success Criterion 2.4.8 － Location
• A.18 WCAG 2.1 Success Criterion 2.4.9 － Link Purpose (Link Only)
• A.19 WCAG 2.1 Success Criterion 2.4.10 － Section Headings
• A.20 WCAG 2.1 Success Criterion 2.5.5 – Target Size
• A.21 WCAG 2.1 Success Criterion 2.5.6 – Concurrent Input Mechanisms
• A.22 WCAG 2.1 Success Criterion 3.1.3 － Unusual Words
• A.23 WCAG 2.1 Success Criterion 3.1.4 － Abbreviations
• A.24 WCAG 2.1 Success Criterion 3.1.5 － Reading Level
• A.25 WCAG 2.1 Success Criterion 3.1.6 － Pronunciation
• A.26 WCAG 2.1 Success Criterion 3.2.5 － Change on Request
• A.27 WCAG 2.1 Success Criterion 3.3.5 － Help
• A.28 WCAG 2.1 Success Criterion 3.3.6 － Error Prevention (All)