Core Web Vitals Explained

Visual animations of LCP, FID, and CLS.

Largest Contentful Paint (LCP)

Measures loading performance.

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Placeholder
LCP: 2.20s

First Input Delay (FID)

Measures interactivity.

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Main thread:

BUSY PROCESSING SCRIPTS...

Item Added!

First Input Delay: 150ms

Cumulative Layout Shift (CLS)

Measures visual stability.

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CLS: 0.15