Heading Structure Analyzer

Check your HTML heading hierarchy (H1-H6) for SEO and accessibility

Or paste HTML code below:

About Heading Structure Analysis

Proper heading structure is crucial for both SEO and web accessibility. Our tool helps you analyze your HTML heading hierarchy (H1-H6) to ensure compliance with best practices.

Why Heading Structure Matters

Common Heading Structure Issues

Missing H1

Every page should have exactly one H1 tag that describes the main content.

Multiple H1s

Having more than one H1 can confuse search engines about your main topic.

Skipped Levels

Jumping from H2 to H4 without an H3 breaks the logical hierarchy.

Improper Nesting

Subheadings should always be one level below their parent heading.

Best Practices for Heading Structure

Heading Level Recommended Use SEO Importance
<h1> Main page title - Only one per page Very High
<h2> Major section headings High
<h3> Sub-sections under h2 Medium
<h4>-<h6> Nested sub-sections (rarely needed) Low

Frequently Asked Questions

Only one H1 per page. This should be the main title of your content. Multiple H1 tags can dilute your page's focus and confuse search engines about your primary topic.

Avoid skipping levels. The heading hierarchy should follow a logical order (h1 → h2 → h3, etc.). Skipping levels can create accessibility issues and make your content harder to understand for both users and search engines.

Headings help search engines understand your content structure and hierarchy. Properly used heading tags:
  • Highlight important keywords
  • Organize content into logical sections
  • Improve content readability and scannability
  • Enhance accessibility for screen readers