Heading Structure Analyzer
Features
- Heading tree visualization with level indicators (H1-H6)
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We use analytics cookies. No data is sold or shared.
PrivacyPaste any HTML (full page or snippet) and click Analyze. The tool parses your markup using the browser's native DOMParser and extracts all heading elements (h1 through h6). Results show violations first (with severity badges), followed by the heading tree, level counts, and keyword presence.
role="heading" on non-heading elements is not detected.<html>/<body> wrappers are analyzed as-is. Heading levels are treated as absolute.