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H1 Structure Check

The H1 structure check validates whether your website uses proper heading hierarchy and H1 tags that help search engines and users understand your content structure.

What this check validates

  • ✅ H1 tag present - Every page has exactly one H1 tag
  • ✅ Proper hierarchy - Headings follow logical order (H1 → H2 → H3)
  • ✅ Optimal length - H1 text is within recommended character limits
  • ✅ No duplication - Only one H1 tag per page

Why H1 structure matters

  • Content Hierarchy: Helps organize information in a logical structure
  • SEO Value: Search engines use H1 to understand main page topic
  • Accessibility: Screen readers rely on headings for navigation
  • User Experience: Clear headings improve content scannability

Proper heading structure

Correct heading hierarchy example:

<h1>Main Page Topic</h1>
  <h2>Major Section</h2>
    <h3>Subsection</h3>
    <h3>Another Subsection</h3>
  <h2>Another Major Section</h2>
    <h3>Subsection</h3>
      <h4>Sub-subsection</h4>

Best Practices

  • One H1 per page: Should describe the main page topic
  • Logical order: Don't skip heading levels (H1 → H3 without H2)
  • Descriptive text: H1 should clearly indicate page content
  • Reasonable length: 20-70 characters for optimal display

Common issues

  • Missing H1: Page has no H1 tag
  • Multiple H1s: More than one H1 tag on a single page
  • Wrong Order: Skipping heading levels (H1 → H3 → H2)
  • Empty H1: H1 tag with no text content
  • Generic H1: Non-descriptive text like "Welcome" or "Home"
  • Too Long/Short: H1 text outside optimal length range