Free tool · Page checks

Heading Structure Checker

Paste a page’s HTML. You get the heading outline as a search engine and a screen reader see it, with the problems marked.

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Result

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Good to know

  • To get a page’s HTML: open the page, right-click, choose "View page source", select all and copy.
  • Headings are the table of contents of a page. One H1 that says what the page is about, H2s for the main sections, H3s inside those.
  • Picking a heading because of how big it looks is the usual cause of a broken outline. Size is a styling job; the level is about meaning.

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