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Check heading structure on every page of a site and list pages with no h1, two h1s or skipped levels

Site heading outlineProFor designers, developers and agencies

30 min

saved on a typical run. Our estimate, against opening each page and reading its headings by hand or in a browser extension.

Before: what you give it

The example input, as typed in. You give it a page address.

url: https://designers.allthepossibles.com
maxPages: 12

After: what comes back

The first lines of a real run on that input. Nothing here is edited by hand.

# Heading outlines: https://designers.allthepossibles.com

**Coverage: read 12 of 191 pages found** (page cap 12; followed same-origin links; origin https://designers.allthepossibles.com).
Not read: 179 over the page cap.
robots.txt: robots.txt read; it has no rules for this crawler.
Sitemap: none read (no sitemap.xml (status 404).).
Requests used: 14 of 100 allowed for this call. User agent: Mozilla/5.0 (compatible; ATPDesigners/1.0; +https://designers.allthepossibles.com).

Pages read: /, /docs, /billing, /docs/start, /docs/install, /docs/pricing, /docs/first-win, /docs/troubleshooting, /docs/examples, /docs/tools, /docs/prompts, /docs/resources
... full output on the tool page

What you get

Each page's heading outline, h1 problems, skipped levels, empty headings and duplicate titles

What it cannot do

Same origin, up to 40 pages, static HTML only; headings added by script are not seen.

Who it is for

  • Designers
  • Developers
  • Agencies

Free and Pro

FreeNot included. This tool is part of Pro.
ProNo daily limit, 300 requests a minute.

What each plan includes

Use it from your assistant

The tool is called site_heading_outline. Connect the server once, then ask for it by name or just describe the job. Install steps for each app.

claude mcp add --transport http designers https://designers.allthepossibles.com/mcp
curl -X POST https://designers.allthepossibles.com/api/site-heading-outline -H 'content-type: application/json' -H 'authorization: Bearer YOUR_KEY' -d '{"url":"https://designers.allthepossibles.com","maxPages":12}'

Try it here

The form starts with the same example input, so you can run it first and then swap in your own. Pro tools ask for a key.

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