Cut 90% of JS in Next.js with One Trick | Next.js Optimization Tips #1

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Are your Next.js apps silently underperforming? In this video, we dive into a real-world case using a BookFinder demo app to expose a common performance anti-pattern: loading large libraries like Fuse.js and Lodash by default, even when users never need them.

Watch how we fix this by implementing advanced dynamic imports to:

• Cut JavaScript bundle size by 90%;
• Improve Core Web Vitals;
• Load external libraries only when needed.

✅ You'll see before-and-after performance metrics, step-by-step code explanations, and a practical transformation using dynamic imports in Next.js.

Jakub - https://www.linkedin.com/in/jakub-tarabasz/

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Видео Cut 90% of JS in Next.js with One Trick | Next.js Optimization Tips #1 канала Blazity