Что сказать
«Pages Router — original file-system router: one component per file in pages/, rendering strategy — which data function export. getStaticProps build-time static, + revalidate → ISR, getServerSideProps per-request SSR, getStaticPaths dynamic routes for SSG. Functions server-only, stripped from client — secrets/DB safe. vs App Router: whole page hydrates client — no per-component server/client boundary, no streaming. Still supported, most production Next — know it; new projects real server data — default App Router.»
Итог
Pages pitch: data function picks strategy; App Router wins streaming + RSC split.
Next.js · middle · сложность 5