technical

LCP

Largest contentful paint — page load metric.

Definition

Largest Contentful Paint (LCP) is the time from page load start until the largest image/text block is visible. Good: <2.5s. Poor: >4s.

Related terms

Core Web Vitals

Google's user experience metrics.

CLS

Cumulative layout shift — visual stability metric.

INP

Interaction to next paint — responsiveness metric.

TTFB

Time to first byte — server response speed.

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