19 / 74 · 10 Visual & Accessibility Testing · WCAG 2.1 AA Compliance Automation← prev⊞ allnext →☰ Read as one page
4.3WCAG 2.1 AA Success Criteria Overview
| Principle | Key Criteria | Automated? | Common Violations |
|---|---|---|---|
| Perceivable | 1.1.1 Non-text Content | Partially | Missing alt text |
| 1.3.1 Info and Relationships | Partially | Missing headings, bad table structure | |
| 1.4.3 Contrast (Minimum) | Yes | Text below 4.5:1 ratio | |
| 1.4.11 Non-text Contrast | Partially | UI components below 3:1 ratio | |
| Operable | 2.1.1 Keyboard | Partially | Non-focusable interactive elements |
| 2.4.3 Focus Order | No | Illogical tab sequence | |
| 2.4.4 Link Purpose | No | "Click here" links | |
| 2.4.7 Focus Visible | Partially | Missing focus indicators | |
| Understandable | 3.1.1 Language of Page | Yes | Missing lang attribute |
| 3.2.1 On Focus | No | Unexpected context changes | |
| 3.3.2 Labels or Instructions | Partially | Missing form labels | |
| Robust | 4.1.1 Parsing | Yes | Duplicate IDs, invalid HTML |
| 4.1.2 Name, Role, Value | Partially | Missing ARIA attributes |