- H1 count
- Logical nesting
- Empty headings
- Repeated headings
- Section clarity
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40 toolsHeading Structure
Map H1–H6 structure and counts.
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ABOUT THIS CHECK
Heading Structure
Maps H1 through H6 headings in document order.
WHY IT MATTERS
Headings organize content for users, assistive technology and search systems.
One clear primary H1 followed by descriptive, logically structured sections.