technical

INP

Interaction to next paint — responsiveness metric.

Definition

Interaction to Next Paint (INP) measures how quickly a page responds to user interactions. Replaced FID in 2024. Good: <200ms.

Related terms

Core Web Vitals

Google's user experience metrics.

LCP

Largest contentful paint — page load metric.

CLS

Cumulative layout shift — visual stability metric.

TTFB

Time to first byte — server response speed.

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