My Website

How to use

1. Paste HTML — Enter the HTML source of your page
2. View hierarchy — See the heading structure as an indented tree
3. Fix issues — Review and fix any flagged structural problems

What Is a Heading Structure Checker?

A heading structure checker parses your HTML and extracts all heading tags (H1 through H6) to display the document's content hierarchy. It identifies common issues like missing H1 tags, multiple H1s, skipped heading levels, and empty headings.

Why Heading Hierarchy Matters

HTML headings create a semantic outline of your content. Search engines use this outline to understand what your page is about and how different sections relate to each other. A well-structured heading hierarchy makes your content more crawlable, more accessible to screen reader users, and easier for visitors to scan.

Common Heading Mistakes

• Multiple H1 tags: Each page should have exactly one H1 that describes the main topic.
• Skipped levels: Going from H2 directly to H4 breaks the logical hierarchy.
• Using headings for styling: Don't choose heading levels based on how they look — use CSS for styling.
• Empty headings: Headings without text content serve no purpose and confuse assistive technology.
• No H1: Every page needs a clear, descriptive H1 element.

SEO Impact

While heading structure alone won't make or break your rankings, it's part of the technical SEO foundation that search engines expect. Pages with clean, logical heading hierarchies tend to perform better because they signal well-organized, quality content. Google's own documentation recommends using headings to structure your content logically.

Accessibility

Screen readers allow users to navigate by headings, creating a table of contents for the page. Skipped levels or missing H1s make this navigation confusing or impossible. Proper heading structure is a WCAG 2.1 requirement under guideline 1.3.1 (Info and Relationships).

Privacy

Your HTML is parsed entirely in your browser. Nothing is uploaded anywhere.

Generate proper meta tags with the Meta Tag Generator. Check keyword usage with the Keyword Density Checker.

Frequently asked questions

Why does heading structure matter?

Headings create a content hierarchy that helps search engines understand your page structure. Screen readers also use headings for navigation, making proper structure an accessibility requirement.

Should every page have an H1?

Yes. Every page should have exactly one H1 that describes the main topic. Multiple H1s confuse the hierarchy.

Can I skip heading levels?

No. Jumping from H2 to H4 breaks the logical hierarchy. Always use sequential levels (H1 → H2 → H3).

Does this affect SEO rankings?

Proper heading structure is a minor but real SEO signal. More importantly, it improves readability and accessibility, which indirectly support better engagement metrics.

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• Google SERP Simulator — Preview how your page appears in Google search results.