# Exactly one H1

How the Exactly one H1 check works, what a failure means, and how to fix it in the Semantic Structure dimension.

- Dimension: Semantic Structure (8% of the total score)
- This check: 3 points
- Check id: `h1-single`

## What does this check look at?

The page contains exactly one non-empty <h1>. Zero or several is a partial or failed result.

## How do I fix it?

- Add a single H1 that states what the page is about.
- **partial** — Keep one H1 per page; demote the rest to H2.

## Why is it worth 3 points?

Moderate. Mostly a one-time fix.

## What else is measured in this dimension?

- [Semantic landmarks are used](https://geo-scanner.ccie13192.com/checks/landmarks/) — 3 points
- [Main content is in the HTML](https://geo-scanner.ccie13192.com/checks/no-js-dependency/) — 2 points

## How do I see my own result?

Run a free scan on your own domain at https://geo-scanner.ccie13192.com/ - the report lists every failed check with the evidence that produced it.

The full method is published at https://geo-scanner.ccie13192.com/methodology/