# SEO Heading Structure Checker

**Use case:** 

Check H1-H6 heading hierarchy on web pages and detect missing H1 tags, skipped levels, duplicate H1s, and outline issues.

## Input

```json
{
  "urls": [
    "https://example.com",
    "https://en.wikipedia.org/wiki/Web_scraping"
  ]
}
```

## Output

```json
{
  "url": {
    "label": "URL"
  },
  "hasH1": {
    "label": "Has H1"
  },
  "multipleH1": {
    "label": "Multiple H1"
  },
  "maxDepth": {
    "label": "Max Depth"
  },
  "error": {
    "label": "Error"
  }
}
```

## About this Actor

This example demonstrates how to use [Heading Structure Checker](https://apify.com/automation-lab/heading-structure-checker) with a specific input configuration. Visit the [Actor detail page](https://apify.com/automation-lab/heading-structure-checker) to learn more, explore other use cases, and run it yourself.