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Free Core Web Vitals Tool

Core Web Vitals Checker

Check your website's Core Web Vitals performance. Analyze LCP, FID, CLS, and other metrics crucial for Google's page experience ranking factor.

Check Core Web Vitals

Enter the complete URL to analyze Core Web Vitals

Understanding Core Web Vitals

Largest Contentful Paint (LCP)

Measures loading performance. Good: ≤ 2.5s, Poor: > 4.0s

First Input Delay (FID)

Measures interactivity. Good: ≤ 100ms, Poor: > 300ms

Cumulative Layout Shift (CLS)

Measures visual stability. Good: ≤ 0.1, Poor: > 0.25

Page Experience Update

Core Web Vitals are part of Google's page experience ranking signals.

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