Free Heading Structure Checker: Fix Your Page Hierarchy Fast
Paste a URL and get a full map of your H1 to H6 tags in seconds, with clear findings and fixes for missing, duplicate, or skipped headings.
Spot Broken Heading Hierarchy
See every skipped level, missing H1, or duplicate heading that confuses search engines and screen readers.
Get Clear Fix Recommendations
Each finding comes with a plain-language recommendation, so you know exactly what to change and why it matters.
Improve Rankings and Accessibility
Clean heading structure helps Google understand your content and makes pages easier for visitors to scan.
A heading structure checker analyzes the H1 through H6 tags on your page and maps how they nest to reveal whether your content follows a logical hierarchy. Well-ordered headings help both readers and search engines understand your page. This free tool extracts every heading, shows the outline they form, and flags problems like missing H1s or skipped levels that weaken structure.
What the heading structure checker analyzes
The checker pulls every heading tag from your page and lays out the resulting outline from H1 down to H6. It confirms whether a single clear H1 exists, since a page should generally have one primary heading, and it detects duplicates or a missing top-level tag. It flags skipped levels, such as an H2 jumping straight to an H4, which breaks the logical nesting. You see the full heading tree in order, making it easy to spot where the hierarchy is inconsistent or where headings were used for styling rather than structure, so you can judge whether the outline actually reflects your content.
How to read results and fix heading hierarchy
Read the outline top to bottom and ask whether it tells the story of the page. Ensure there is exactly one H1 that states the main topic, then check that H2s divide the major sections and H3s sit beneath the relevant H2s. Correct any skipped levels by promoting or demoting headings so the sequence never jumps. Replace headings used purely for visual size with proper text styling, and reserve heading tags for genuine section titles. Rework vague headings into descriptive ones that include relevant terms. Recheck after editing to confirm the hierarchy now flows cleanly from level to level.
Why heading structure matters for SEO
A clean heading structure helps search engines parse what each section covers, reinforcing relevance for the topics you target. It also drives accessibility, since screen reader users navigate a page by its headings, and a broken hierarchy makes that difficult. Logical headings improve readability for everyone, letting visitors scan and find what they need. Featured snippets and other rich results often draw on well-structured headings too. Getting the H1 to H6 order right is a low-effort, high-value fix that supports rankings, usability, and compliance at the same time, which is why it belongs in any on-page audit.
Frequently Asked Questions
What does the Heading Structure Checker analyze?
It fetches your page and maps every H1 through H6 tag in order. It then flags issues like a missing H1, multiple H1s, skipped heading levels, and empty headings, with a recommendation for each finding.
Why does heading structure matter for SEO?
Headings show search engines how your content is organized and which topics matter most. In 2026 Google still relies on a clear H1 to H6 hierarchy to understand pages, and screen readers use it to help visitors navigate.
Is the Heading Structure Checker free?
Yes. Create a free Brainito account and you can run the checker on any public URL. Results appear in seconds, and you can re-run it after making changes to confirm your heading structure is fixed.
Find and fix your heading issues before Google finds them
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