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Heading Structure Checker — Analyze H1–H6 Hierarchy
Ensure your page's heading tags follow proper SEO hierarchy. Paste your HTML to visualize the H1–H6 structure, detect missing or duplicate H1 tags, and identify skipped heading levels that could hurt your search rankings.
How to Use
- Paste your page's HTML into the text area.
- The tool automatically extracts all heading tags.
- Review the visual heading tree and issue report.
- Fix any errors or warnings in your source code.
How It Works
1
Enter
Input your data into the tool above.
2
Calculate
The tool processes your input instantly.
3
Copy / Download
Copy or download your results.
Frequently Asked Questions
Why is heading structure important for SEO?
Proper heading hierarchy helps search engines understand your content structure. H1 defines the main topic, H2s are sections, H3s are subsections, etc.
Should I have only one H1?
Yes. Google recommends using a single H1 per page that describes the main topic. Multiple H1s can dilute focus.
What does 'heading level skipped' mean?
Going from H2 directly to H4 (skipping H3) breaks the logical hierarchy. Always use sequential levels.
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