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web-perf - Web Performance Audit with Chrome DevTools

Audit web page performance using Chrome DevTools MCP tools

Tags

Updated: 2026-03-26
performanceweb developmentmonitoringoptimizationaccessibility

Capabilities

navigate to web pagestart performance traceanalyze performance insightslist network requests

Typical Inputs

web page URLcodebase files

Typical Outputs

performance metrics reportnetwork analysis resultsaccessibility issues

What this skill does

  • navigate to web page
  • start performance trace
  • analyze performance insights
  • list network requests
  • get request details
  • take accessibility snapshot
  • measure Core Web Vitals
  • identify render-blocking resources
  • analyze dependency chains
  • detect layout shifts
  • check caching headers
  • analyze codebase

Inputs

  • web page URL
  • codebase files

Outputs

  • performance metrics report
  • network analysis results
  • accessibility issues
  • optimization recommendations

Requirements

  • Chrome DevTools MCP server

Source

  • Spec: SKILL.md

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