How to Audit Third-Party Scripts with Claude
Audit third-party script impact with Claude and ToolRouter. Find which scripts slow down your site.
Tool
Claude audits third-party scripts and helps you make informed decisions about each one. After identifying scripts that degrade performance, discuss which analytics, ads, or chat widgets provide enough value to justify their cost, and get suggestions for lighter alternatives or loading strategies that minimize their impact.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Lighthouse Audit tool:
- Ask Claude: "Run a Lighthouse audit on mysite.com and focus on third-party script impact"
- Claude identifies every third-party script with its size and blocking time contribution
- Ask: "Which of these scripts are costing us the most performance?"
- Claude ranks scripts by impact and suggests deferral or removal strategies
Example Prompt
Try this with Claude using the Lighthouse Audit tool
Audit mysite.com for third-party script bloat. Which scripts hurt performance the most, and which can I safely defer or remove?
Tips
- Ask Claude to categorize scripts by purpose (analytics, ads, chat, social)
- Claude can suggest async loading patterns for each script type
- Run on pages managed through tag managers to catch accumulated bloat