How to Run a Pre-Launch Performance Audit with Claude
Run a Lighthouse audit before launch using Claude and ToolRouter. Catch performance issues before users do.
Tool
Claude runs a full Lighthouse audit before your launch and walks you through every finding in priority order. Ask follow-up questions about specific metrics, get code-level fix suggestions for performance bottlenecks, or have Claude compare your scores against industry baselines — all in one pre-launch review session.
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 staging.mysite.com using the lighthouse-audit tool"
- Claude runs audit_url and returns performance, accessibility, best practices, and SEO scores
- Review flagged issues -- Claude highlights the highest-impact problems first
- Ask Claude to prioritize fixes by effort vs. impact for your launch timeline
Example Prompt
Try this with Claude using the Lighthouse Audit tool
Run a full Lighthouse audit on staging.mysite.com before we launch. Flag anything critical that could hurt user experience or SEO.
Tips
- Run on staging URLs before deploying to production for a true pre-launch check
- Ask Claude to compare desktop vs mobile scores -- mobile issues often differ
- Claude can suggest specific code fixes for each flagged issue