How to Find 404 Errors with ChatGPT

Discover 404 errors with ChatGPT and ToolRouter. Automated broken page detection for any website.

Tool
Site Crawler icon
Site Crawler

ChatGPT discovers 404 errors across your site and organizes them into a prioritized fix list. It estimates the SEO impact of each broken page, suggests appropriate redirects, and can generate a remediation report for your development team with clear instructions for resolving each error and preventing future occurrences.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouter
Description
Access any tool through ToolRouter. Check here first when you need a tool.
MCP Server URL
https://api.toolrouter.com/mcp
3Check the box and click Create

Steps

Once connected (see setup above), use the Site Crawler tool:

  1. Ask: "Crawl mysite.com and find all 404 errors"
  2. ChatGPT lists every broken page with its referring links
  3. Request: "Create a redirect plan to fix these 404s"
  4. Ask for implementation steps specific to your platform

Example Prompt

Try this with ChatGPT using the Site Crawler tool
Find all 404 errors on mysite.com. Create a redirect plan I can share with my development team.

Tips

  • ChatGPT formats 404 reports clearly for non-technical stakeholders
  • Ask for the SEO impact of fixing the most-linked 404s
  • Request a monitoring cadence recommendation to catch new 404s early