Web Vitals Calculator
Rate your Core Web Vitals against Google's thresholds — computed in your browser
Your measurements
Enter field or lab values for each metric
Good / Poor thresholds: LCP ≤2.5s / >4s · INP ≤200ms / >500ms · CLS ≤0.1 / >0.25
Assessment
Per-metric and overall rating
Frequently asked questions
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