Dev Tools · 2h ago
Next.js 15 Dynamic Imports: Slash Bundle Size with Lazy Loading
Next.js 15's next/dynamic splits heavy components like charts and editors into separate chunks, loading them only when needed. This reduces initial JavaScript by hundreds of kilobytes, improving Time to Interactive and Core Web Vitals. The guide covers patterns for SSR control, loading states, and measuring performance impact.
Meridian48 take
The advice is sound but not new; the real challenge is convincing teams to refactor existing codebases to use dynamic imports consistently.
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Next.js Dynamic Imports & Lazy Loading: The Complete Guide (2026) →
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nextjsperformance-optimization