H1 and heading structure checker
Fetches a page and shows its heading outline. Flags a missing H1, more than one H1, skipped levels and empty headings.
Questions
About The Heading structure checker
New to SEO? Read SEO Vs AEO Vs GEO: What They Mean And How To Do Each.
Why does the H1 matter?
It's the clearest signal of what the page is about, for search engines, screen readers and AI assistants. Each page should have exactly one.
Technical
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Free · Up To 50 Pages
Check Your Whole Site, Free
Paste your homepage and CiteZap checks every page and writes the keywords, titles, descriptions, schema and fixes.