SEO Tools

Headings Checker

Paste HTML or a public URL to extract and analyse the heading structure (H1–H6). Identifies missing H1 tags, duplicate H1s, skipped heading levels, and heading hierarchy issues that can affect SEO and accessibility.

Free SEO analysis No sign-up required Instant results

Analyse your heading structure

Checks H1–H6 hierarchy, detects skipped levels and multiple H1s, maps keyword distribution across headings, and scores overall structure — with fix suggestions.

Never stored H1–H6 hierarchy check Skipped levels · Multiple H1s Keyword distribution map
Paste Page HTML Full page source or just the body section containing your headings

Features

  • Extracts all H1–H6 headings in document order
  • Flags missing H1, duplicate H1, and skipped levels
  • Shows heading hierarchy as a visual outline
  • Counts headings per level
  • Checks keyword presence in headings (optional)
  • Browser-only HTML analysis

How to use it

  1. Paste HTML or enter a URL to fetch.
  2. Headings are extracted and displayed as a hierarchy.
  3. Review the issues panel for any flagged problems.
  4. Export heading list as .txt.

Use cases

  • Auditing page heading structure for SEO compliance
  • Checking accessibility, correct heading order for screen readers
  • Reviewing CMS-generated heading structure
  • Validating article or blog post content structure

Limitations

  • Dynamically generated headings (rendered by JavaScript after page load) may not be captured from URL analysis.
See also

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Questions & answers

Frequently asked

Should every page have exactly one H1?

Yes, as a best practice. Multiple H1 tags are valid HTML5 but may dilute SEO signals. Missing H1 is a common SEO issue.