Heading Extractor

Extract h1-h6 headings from HTML for SEO structure check.

広告スペース 1

How to use

  1. Paste the HTML source code.
  2. Click the extract button.
  3. Review the heading outline.
  4. Check the hierarchy and fix structural issues.

About this tool

The Heading Extractor parses any HTML snippet and lists every h1 through h6 tag as a structured outline. It is perfect for checking whether your document follows a logical hierarchy and is optimized for SEO and accessibility.

Features

Indented outline view, heading count per level, warnings for skipped levels, and a copy-to-clipboard function. The extractor handles both partial snippets and complete HTML documents without breaking.

Use cases

Useful when auditing articles before publication, reviewing competitor content, checking the structure of generated pages from CMS templates, or verifying that translations preserve the original heading layout.

Why this tool

A well-organized heading structure improves search rankings and user experience. By visualizing the outline instantly, the tool helps you spot missing or duplicated headings that would otherwise slip through manual review.

広告スペース 2

FAQ

Why is heading structure important?
Proper heading hierarchy helps search engines and screen readers understand your content.
Should I have multiple h1 tags?
Generally one h1 per page is recommended as the main title of the document.
Can I paste a whole HTML file?
Yes, the extractor parses any HTML snippet or full document you provide.