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10.2What AI Agents Add Beyond axe-core
| Capability | axe-core (Rule-Based) | AI Agent |
|---|---|---|
| Missing alt text detection | Detects presence/absence | Evaluates if alt text is meaningful |
| Color contrast | Computes exact ratios | Identifies where color is the only differentiator |
| Heading structure | Checks h1-h6 hierarchy | Evaluates if headings describe content |
| Link text quality | Detects empty links | Flags "click here" and "read more" |
| Form instructions | Checks label associations | Evaluates if instructions are clear |
| Error message clarity | Cannot assess | Evaluates if errors guide the user to fix the issue |
| Reading flow | Cannot assess across components | Evaluates if content flows logically |
| Motion sensitivity | Cannot assess subjective impact | Identifies potentially triggering animations |