# Verify Backlink URLs for SEO Campaigns

**Use case:** 

Check the HTTP status of multiple backlinks and detect broken links for SEO campaigns. Get results such as 404 errors and redirect chains.

## Input

```json
{
  "startUrls": [
    {
      "url": "https://moz.com/blog/local-seo-guide"
    },
    {
      "url": "https://ahrefs.com/blog/seo-tips/"
    },
    {
      "url": "https://backlinko.com/link-building-guide"
    }
  ],
  "maxConcurrency": 20,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "url": {
    "label": "Original URL",
    "format": "string"
  },
  "statusCode": {
    "label": "Status Code",
    "format": "integer"
  },
  "statusMessage": {
    "label": "Status Message",
    "format": "string"
  },
  "isRedirect": {
    "label": "Is Redirect",
    "format": "boolean"
  },
  "redirectCount": {
    "label": "Redirect Count",
    "format": "integer"
  },
  "finalUrl": {
    "label": "Final URL",
    "format": "string"
  },
  "responseTime": {
    "label": "Response Time (ms)",
    "format": "integer"
  },
  "contentType": {
    "label": "Content Type",
    "format": "string"
  },
  "contentLength": {
    "label": "Content Length",
    "format": "integer"
  }
}
```

## About this Actor

This example demonstrates how to use [Bulk URL Status Checker – Broken Link & Redirect Audit](https://apify.com/logiover/bulk-url-status-checker) with a specific input configuration. Visit the [Actor detail page](https://apify.com/logiover/bulk-url-status-checker) to learn more, explore other use cases, and run it yourself.