The core-web-vitals skill provides targeted optimization guidance for the three Core Web Vitals metrics (LCP, INP, CLS) that impact Google Search rankings and user experience. It serves web developers and performance engineers who need to diagnose and fix specific performance issues like slow loading times, layout shifts, and interaction delays. The skill solves the problem of understanding which optimization techniques apply to each metric by offering concrete code examples, performance thresholds, and actionable checklists.
npx skills add https://github.com/addyosmani/web-quality-skills --skill core-web-vitals