Core Web Vitals Checker

Paste HTML Source 📈 Check Core Web Vitals

Core Web Vitals Thresholds

• LCP (Largest Contentful Paint) — Good: <2.5s · Needs work: 2.5-4s · Poor: >4s
• CLS (Cumulative Layout Shift) — Good: <0.1 · Needs work: 0.1-0.25 · Poor: >0.25
• INP (Interaction to Next Paint) — Good: <200ms · Needs work: 200-500ms · Poor: >500ms