Heading Hierarchy Checker
Extract an HTML outline and find multiple H1s or skipped heading levels.
This is static analysis of the content you paste. It does not crawl live pages, verify HTTP responses, or replace Google Search Console and official validation tools.
About this tool
Turn pasted HTML into a readable H1–H6 outline and flag empty headings, multiple H1s, skipped levels, and repeated text. It targets the semantic-structure audit questions common on r/SEO and r/webdev.
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