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Heading Structure Checker

Heading Structure Checker

Review H1–H6 structure and heading level changes.

Review page heading levels and outline

Paste HTML or rendered DOM snapshot Or choose a local HTML file (processed only in this browser) Or enter a public page URL (optional remote source-HTML check)

Use only one input method. Pasted HTML takes priority, followed by an HTML file, then a URL. To inspect JavaScript-rendered elements, copy the page's rendered DOM from browser developer tools. URL fetching sees only server-served HTML.

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