Web Vitals Auditor

Skills

6 in the Claude listing

• Budget generateGenerate a performance-budget.json file for Lighthouse CI with reasonable defaults.
• Bundle analyzeAnalyze a Webpack, Vite, or Rollup build output for duplicated dependencies, unexpectedly large packages (lodash, moment, polyfills), and missing tree-shaking.
• Font auditDetect font-loading issues.
• Image auditScan HTML, JSX, TSX, and Vue files for unoptimized images.
• Lighthouse auditRun Lighthouse against a URL in both desktop and mobile form factors and summarize Core Web Vitals.
• Vitals diagnoseInterpret a Lighthouse JSON result and prioritize concrete fixes.