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Core Web Vitals optimization
by addyosmani/web-quality-skills
Optimize Core Web Vitals (LCP, INP, CLS) for better page experience and search ranking. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS",…
Skill content
Core Web Vitals optimization Targeted optimization for the three Core Web Vitals metrics that affect Google Search ranking and user experience. The three metrics Metric Measures Good Needs work Poor LCP Loading ≤ 2.5s 2.5s – 4s > 4s INP Interactivity ≤ 200ms 200ms – 500ms > 500ms CLS Visual Stability ≤ 0.1 0.1 – 0.25 > 0.25 Google measures at the 75th percentile - 75% of page visits must meet "Good" thresholds. LCP: Largest Contentful Paint