Heading Structure Checker
Check whether your page’s headings are actually in the right order, in seconds. This free tool pulls out every H1 to H6 on your page and shows you the structure at a glance, so you can spot missing headings, skipped levels, or a messy hierarchy before Google, or your visitors, notice.
Paste in some HTML above to see your heading outline.
Why this matters
Headings aren’t just there to make a page look nice. They tell Google what your page is about and how it’s organised, and they help visitors scan a page to find what they actually came for. Get the structure wrong, more than one H1, jumping from an H2 straight to an H4, headings used purely for styling rather than structure, and you make it harder for Google to understand your content properly, even if the writing itself is good.
It’s also one of the most common issues we find when auditing a client’s website. Most business owners have no idea their page has three H1s or skips heading levels entirely, because it still looks fine on screen. The problem is invisible unless you check the actual code.
How to use it
- Paste in your page URL or the HTML
- See a full outline of every heading on the page, in order
- Check for anything flagged, missing H1s, skipped levels, or multiple H1s
- Fix the structure and re-check before you publish
What good heading structure looks like
- One H1 per page, and only one. It should describe what the page is about and usually include your main keyword
- H2s for your main sections, in a logical order a reader would expect
- H3s nested under the relevant H2, not skipped straight from H1
- No heading levels skipped. Going from an H2 straight to an H4 confuses both Google and screen readers
- Headings a person would actually use to scan the page, not just keywords stuffed into a heading tag for the sake of it
Want your whole page checked, not just the headings?
Heading structure is one part of a much bigger picture. Page speed, internal linking, content depth and technical setup all affect how well a page ranks too. If you’d like a proper look at how your whole site is performing, our SEO services include a full technical and content audit.
FAQ
Technically HTML allows it, but it’s best avoided. A single, clear H1 gives Google and visitors an unambiguous signal of what the page is about. Multiple H1s can dilute that and make the page’s focus less clear.
It’s not a major ranking factor on its own, but it does make a page harder for Google to properly understand, and it causes real problems for people using screen readers, which is both an accessibility and a trust issue.
No. Most business websites only need H1, H2 and occasionally H3. Going deeper than that is usually only necessary for very long, detailed guides.
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