Understanding Accessibility Testing
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Common Testing Issues
Why Heading Order Matters
Screen reader users rely on proper heading structure to navigate content. Skipping levels (h1 → h3) causes confusion.
Issue Categories
| Impact Level | Detection Tool | |
|---|---|---|
| Missing form labels | Critical | Automated |
| Weak color contrast | Serious | Automated |
| No alt text | Critical | Automated |
| Keyboard navigation | Critical | Manual |