1. 하이드레이션 https://react.dev/reference/react-dom/client/hydrateRoot hydrateRoot – ReactThe library for web and native user interfacesreact.dev 2. Next.js Server Component https://nextjs.org/docs/app/building-your-application/rendering/server-components Rendering: Server Components | Next.jsLearn how you can use React Server Components to render parts of your application on the se..