Core Web Vitals Calculator
Grade your Core Web Vitals (LCP, FID, CLS, INP) against Google's thresholds for search ranking.
How to Use the Core Web Vitals Calculator
- Enter your LCP value in milliseconds.
- Enter FID and INP values.
- Enter CLS score (decimal value).
- Click Calculate for grading against Google thresholds.
Casi d'Uso
- •SEO performance monitoring
- •Website user experience optimization
- •Google Search ranking improvement
Formula
LCP ≤ 2.5s = Good; FID ≤ 100ms = Good; CLS ≤ 0.1 = Good; INP ≤ 200ms = Good
Domande Frequenti
How accurate is this calculator?
Results are based on standard industry formulas and are suitable for preliminary estimates.
What units are used?
Standard IT units (requests/sec, ms, %, USD) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.