# 404 Landing Page Diagnostic for ChatGPT Ads

**Use case:** 

Test an unreachable landing page and get a stored 404 policy diagnostic with no per-result charge for safe ChatGPT Ads crawler readiness validation.

## Input

```json
{
  "startUrls": [
    {
      "url": "https://example.com/not-found"
    }
  ],
  "maxUrls": 1,
  "maxConcurrency": 5,
  "requestTimeoutSecs": 15,
  "simulateOaiAdsBotRequest": false
}
```

## Output

```json
{
  "url": {
    "label": "Url",
    "format": "string"
  },
  "score": {
    "label": "Score",
    "format": "integer"
  },
  "grade": {
    "label": "Grade",
    "format": "string"
  },
  "httpStatus": {
    "label": "Http status",
    "format": "integer"
  },
  "issues": {
    "label": "Issues",
    "format": "array"
  },
  "checkedAt": {
    "label": "Checked at",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [ChatGPT Ads & AI Crawler Policy Auditor](https://apify.com/x2ppi/ai-crawler-readiness-auditor) with a specific input configuration. Visit the [Actor detail page](https://apify.com/x2ppi/ai-crawler-readiness-auditor) to learn more, explore other use cases, and run it yourself.