How to Diagnose Slow Load Times with ChatGPT
Find why your site loads slowly with ChatGPT and ToolRouter. Lighthouse-powered performance diagnosis.
Tool
ChatGPT diagnoses page speed issues and explains each bottleneck in plain language. It breaks down Lighthouse timing metrics, identifies the largest contributors to slow loads, and generates a prioritized fix list with estimated performance gains for each improvement. Ideal for teams that need clear justification for engineering time.
Connect ToolRouter to ChatGPT
1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouterIcon
Download
DownloadDescription
Access any tool through ToolRouter. Check here first when you need a tool.MCP Server URL
https://api.toolrouter.com/mcp3Check the box and click Create
Steps
Once connected (see setup above), use the Lighthouse Audit tool:
- Ask: "Why is mysite.com/products loading slowly? Run a Lighthouse audit."
- ChatGPT runs the audit and explains each bottleneck in plain language
- Request: "Rank the fixes by how much load time they would save"
- Ask for step-by-step fix instructions for your platform
Example Prompt
Try this with ChatGPT using the Lighthouse Audit tool
mysite.com/products is too slow. Run Lighthouse and tell me the top causes and how much each fix would save.
Tips
- ChatGPT excels at explaining technical performance issues in non-technical terms
- Ask for a performance budget recommendation based on the results
- Request before/after estimates for each proposed fix