Performance Profiling Measure, analyze, optimize - in that order. π§ Runtime Scripts Inspect this bundled helper as code before use and run only against an authorized URL. Lighthouse launches a browser and can load third-party resources; lab scores do not establish field Core Web Vitals. The helper reports command/JSON failures and unavailable scores separately; inspect the returned error and do not treat an unavailable category as a zero score. | Script | Purpose | Usage | |--------|---------|-------| | | Lighthouse performance audit | | --- 1. Core Web Vitals Targets | Metric | Good | Poorβ¦