# Track and alert on broken 404 URLs across a live website

**Use case:** 

Automate dead link checking across your site. Get instant notifications when links break to preserve crawl budget, pass link equity, and improve UX.

## Input

```json
{
  "sitemapUrl": "https://books.toscrape.com",
  "requestMethod": "head",
  "followRedirects": true,
  "timeoutMs": 10000,
  "maxConcurrency": 10
}
```

## Output

```json
{
  "baseline": {
    "label": "Baseline Status",
    "format": "boolean"
  },
  "changes.critical.url": {
    "label": "Broken Target URL",
    "format": "link"
  },
  "changes.critical.previous.status": {
    "label": "Previous Status Code",
    "format": "number"
  },
  "changes.critical.current.status": {
    "label": "Current Status Code",
    "format": "number"
  },
  "summary.errors": {
    "label": "Total Errors Found",
    "format": "integer"
  },
  "summary.ok": {
    "label": "Ok",
    "format": "integer"
  }
}
```

## About this Actor

This example demonstrates how to use [Broken Url Monitor](https://apify.com/datawinder/broken-url-monitor) with a specific input configuration. Visit the [Actor detail page](https://apify.com/datawinder/broken-url-monitor) to learn more, explore other use cases, and run it yourself.