Next.js bank Optimization Next.js / 5 questions Your progress 0 / 5 done Saved in this browser. Reset All 5 Easy 1 Medium 3 Hard 1 Hide done No questions match those filters. 1 What does `next/image` do for you, and how does it prevent layout shift? Easy 2 How does `next/font` avoid the font-loading flash and an extra network request? Medium 3 What are the `beforeInteractive`, `afterInteractive`, and `lazyOnload` strategies of `next/script`? Medium 4 How does automatic code-splitting work per route, and how do you further split with `next/dynamic`? Medium 5 How would you diagnose and fix a large First Load JS in a Next.js app? Hard ← Previous Routing & Navigation Next → Deployment & Runtime