technical

ISR

Incremental static regeneration.

Definition

ISR (Incremental Static Regeneration) is a Next.js feature that lets static pages revalidate in the background — getting both static performance and fresh content.

Related terms

Core Web Vitals

Google's user experience metrics.

LCP

Largest contentful paint — page load metric.

CLS

Cumulative layout shift — visual stability metric.

INP

Interaction to next paint — responsiveness metric.

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