yy Características RSC (React Server Components) SSR (Server Side Rendering) CSR (Client-Side Rendering) Localización del servidor clientey y Ninguno de estos y y yy Síy y Todo llenoyTodo llenoyy y yOn-demand o en streamingy Vistas estáticas o vinculadas a datosy Características RSC (React Server Components) SSR (Server Side Rendering) CSR (Client-Side Rendering) SSR (Rendering del lado del servidor) y Localización del servidor cliente y Ninguno de estos y y y Síyy y Sí y yy Todo llenoyTodo llenoyy y Todo lleno Todo lleno y y y y yOn-demand o en streamingypor solicitud y On-demand o en streaming yCaso de uso ideal Vistas estáticas o vinculadas a datosyy y Vistas estáticas o vinculadas a datos y y Componente de servidor Componente de clienteyyyyy Componente de servidor Componente de clientey yy y y y y async / esperayy y y Componente de servidor Componente de clientey yy y y y y Utilización del contextoy y async / esperayy y async / espera y y yPriceWithPersonalization SSR Depende de la sesión del usuario, dinámico por solicitudyyy y Razón y PriceWithPersonalization SSR Depende de la sesión del usuario, dinámico por solicitudy CSR y y SSG (con ISR) y y y Razón y Razón y y PriceWithPersonalization SSR Depende de la sesión del usuario, dinámico por solicitud CSR y SSG (con ISR) y y yy y (*If you’d like to skip ahead and dive directly into the technical breakdown, jump to 1. Why React Server Components Were Introduced.) In the early 2010s, React revolutionized frontend development with its declarative component model and efficient virtual DOM diffing. What began as a simple view library soon became the backbone for large-scale single-page applications (SPAs). These SPAs predominantly used Client-Side Rendering (CSR), meaning the browser would download a JavaScript bundle, execute it, and construct the UI entirely on the client. This client-centric model was flexible and highly interactive, and it defined “modern” web apps for years. However, as applications grew more complex and feature-rich, the CSR approach started to show its cracks: y Hefty JavaScript bundles and client-side work meant users waited longer before they could actually interact with the page. Longer Time-to-Interactive (TTI): Converting server-rendered HTML into an interactive app (hydration) became a performance choke point, especially as the amount of dynamic content increased. Hydration bottlenecks: Paquetes inundados: Las aplicaciones a menudo envían mucho más JavaScript de lo necesario, cargando a los navegadores con código para funciones o contenidos que podrían haber sido entregados de manera más eficiente. The larger and more complex the app, the harder it became to maintain snappy performance across all devices and network conditions. Performance that doesn’t scale: Next.js emerged to tackle some of these pain points by introducing Server-Side Rendering (SSR), Static Site Generation (SSG), and other optimizations. These techniques improved initial load times and offloaded some of the UI rendering work to the server. But even with SSR and SSG, the fundamental issue remained: we were still over-delivering JavaScript to the browser. Con Next.js 15 ejecutado en React 19, un nuevo paradigma de rendimiento ha tomado el centro de la escena: RSCs permiten a los desarrolladores mezclar sin problemas los componentes renderizados por el servidor y los renderizados por el cliente en un único árbol de React. Las implicaciones son significativas. . In other words, no client-side hydration is needed for those sections. Data fetching logic is also simplified by running inside server components, eliminating many unnecessary API calls from the browser. The result: leaner client-side bundles, faster interactions, and an application that’s far more performant and scalable. React Server Components (RSC) zero JavaScript overhead This article isn’t a surface-level review of RSC. When I set out to write about using Next.js effectively in 2025, it quickly became clear that React Server Components deserved a dedicated deep dive. What follows is a technically rigorous exploration of how RSC works under the hood, how to leverage it in a Next.js 15 project, and why it represents a fundamental shift in frontend architecture. Al final, espero que salgas con la misma claridad y apreciación por RSC que hice a través del proceso de investigación y escritura de esta obra. Intro: From CSR to RSC — How Rendering Evolved in React Introducción: De CSR a RSC - Cómo el rendimiento evolucionó en reacción Durante la última década, la forma en que construimos las aplicaciones React ha evolucionado fundamentalmente y con ella, la forma en que pensamos en el rendimiento. 🕰 A brief history of Client-Side Rendering (CSR) in React React ganó su popularidad a través de Un modelo en el que el navegador descarga JavaScript, lo ejecuta y construye toda la interfaz de usuario en el cliente.Este enfoque dio a los desarrolladores un control total sobre la interactividad y el estado, y facilitó la creación de aplicaciones dinámicas de una sola página (SPA). Client-Side Rendering (CSR) However, CSR came with notable trade-offs: y y , especially on mobile or poor networks Slower initial loads SEO para páginas basadas en contenido Bancos pesados con JavaScript, incluso para páginas con una interactividad mínima A was required after HTML loaded, delaying time-to-interactive hydration step Durante un tiempo, estas limitaciones eran simplemente “cómo eran las cosas”. 🚀 How Next.js brought SSR and SSG to mainstream React development Cuando entered the scene, it introduced server-side rendering (SSR) and static site generation (SSG) as first-class citizens for React. This marked a turning point: frontend developers could now choose how and when rendering occurred. Next.js y y enabled pages to be generated per request, improving SEO and load speed for dynamic content. SSR SSG permitió que el contenido se preconstruyera en el momento de la implementación, perfecto para blogs, documentos y sitios de marketing. La Regeneración Estática Incremental (ISR) cubrió la brecha al permitir que las páginas estáticas se actualizaran después de la implementación. This flexibility helped developers strike a better balance between performance, SEO, and developer experience. But even with SSR and SSG, there was still a lingering issue: — even for components that didn’t need to be interactive. we were still sending too much JavaScript to the browser 🧠 The rise of React Server Components (RSC) in 2025 Con la liberación de y Entramos en una nueva era: are now a core part of how we build apps. Next.js 15 React 19 React Server Components (RSC) Unlike SSR, which still requires hydration and ships JavaScript to the client, . RSC allows you to render components on the server — without sending any JavaScript to the browser at all It’s a big shift: y y Components can now access server-side data directly El contenido estático no requiere hidratación You can mix server and client components in a single React tree, composing your rendering strategy per component RSC doesn’t replace SSR or SSG, it , unlocking finer-grained control over performance, bundle size, and rendering behavior. complements them En 2025, RSC es un concepto fundamental que todo ingeniero senior de React necesita dominar. 1. Why React Server Components Were Introduced Por qué se introdujeron los componentes de servidor React As React applications became more complex, the industry began to feel the weight of its success. While Client-Side Rendering (CSR), Server-Side Rendering (SSR), and Static Site Generation (SSG) offered different strategies for building performant web apps, each of them carried trade-offs that grew more apparent at scale. 🚧 Limitations of CSR, SSR, and SSG 1. Hydration overhead Even with SSR or SSG, once HTML reaches the browser, React needs to “hydrate” the page — attach event listeners, reinitialize components, and effectively rebuild the app in memory. For large component trees, hydration can be a major bottleneck for Time-To-Interactive (TTI). 2o JavaScript bundle bloat With CSR, every component, utility, and API call that’s part of the page must be sent to the browser — regardless of whether it’s interactive or not. SSR and SSG reduce this slightly, but most of the bundle still needs to be executed on the client. As apps grow, this leads to bloated bundles that slow down the user experience. 3. Disconnected data-fetching logic In the pre-RSC world, data lived outside the components that rendered it. You had to use or (o llamar a las APIs en ) to fetch data, then pass it into components via props. This separation added cognitive overhead and made code harder to co-locate and reuse. getServerSideProps getStaticProps useEffect 🧠 What problems RSC was designed to solve React Server Components (RSC) were created to address these growing pain points with a simple but powerful idea: . el let components execute on the server by default, and only send JavaScript to the browser when it’s absolutely necessary Eliminate unnecessary JavaScript RSC allows components to be rendered server-side shipping any of their logic to the client. If a component doesn’t require interactivity, there’s no need to hydrate or load its JS bundle at all. without Server-side data access within the component tree RSC elimina el límite artificial entre la captura y el rendimiento de datos. to directly access databases, file systems, or APIs — co-locating data and view logic naturally, with no need for API routes or prop drilling. async/await Improve rendering efficiency and developer experience By moving non-interactive logic to the server, developers can build lighter apps with smaller bundles and better performance. RSC also simplifies the mental model — you just write components, and let the framework handle where they run and how they ship. RSC no tiene como objetivo reemplazar SSR o SSG, sino que los complementa. , no sólo el nivel de la página, sobre lo que debe ejecutarse en el servidor y lo que pertenece al navegador. at the component level In short: React Server Components were designed to bring modern frontend development back to its lean, fast, and maintainable roots without compromising interactivity. 2. Rendering Strategies in Next.js 15: RSC vs SSR vs CSR 2. Rendering Strategies in Next.js 15: RSC vs SSR vs CSR Next.js 15 ofrece a los desarrolladores un modelo de rendimiento granular que va mucho más allá de las estrategias tradicionales a nivel de página. becoming a first-class concept, it’s essential to understand how they compare to two familiar models: and . el React Server Components (RSC) Server-Side Rendering (SSR) Client-Side Rendering (CSR) Mientras que SSG (Generación de Sitio Estático) todavía es valioso en casos específicos, se puede ver como una construido sobre la SSR. En contraste, represent distinct runtime rendering paths, and understanding them is crucial for making performance- and architecture-aware decisions in 2025. caching strategy RSC vs SSR vs CSR 💡 Before We Compare: What Do We Mean by "Interactive Component"? In the context of React and Next.js, an is any UI element that . el interactive component requires client-side JavaScript to respond to user input or browser events This includes (but is not limited to): y Buttons that update state on click Forms with validation or controlled inputs Dropdowns y modals que cambian abierto / cerrado Animations triggered by scrolling or hover Tabs, carousels, filters, sliders Components that use , , or useState useEffect useReducer If a component has , internal , or relies on the Debe correr sobre el cliente. event handlers state DOM or browser APIs Interactivity = Browser-side behavior + JS event listeners + local state. Comprender esta distinción ayuda a aclarar : to avoid shipping JavaScript for UI pieces that don’t need to be interactive. why RSC exists 🧩 Rendering Models at a Glance Feature RSC (React Server Components) SSR (Server-Side Rendering) CSR (Client-Side Rendering) Render location Server Server Client JavaScript sent to browser ❌ None ✅ Yes ✅ Yes Requires hydration ❌ No ✅ Yes Sí Interactivity ❌ No ✅ Full ✅ Full Access to server resources ✅ Direct ✅ Via getServerSideProps ❌ Needs API calls When it runs On-demand or streamed Per request On load in browser Ideal use case Static or data-bound views Personalized or dynamic UI Interactive flows, local UX JavaScript sent to browser Sí ✅ Yes Requiere hidratación ❌ No ✅ Yes Interactivity ❌ No Access to server resources ✅ Direct ✅ Via getServerSideProps ❌ Needs API calls Cuando se corre Per request On load in browser Caso de uso ideal UI personalizado o dinámico Flujos interactivos, UX local Feature Características RSC (React Server Components) RSC (React Server Components) SSR (Server-Side Rendering) CSR (Client-Side Rendering) CSR (Client-Side Rendering) Render location Render location Servidor Server Servidor Servidor Cliente Cliente JavaScript sent to browser Sí ✅ Yes JavaScript sent to browser JavaScript sent to browser ❌ None Ninguno de estos Sí Sí Sí ✅ Yes Requires hydration ❌ No ✅ Yes Requiere hidratación Requiere hidratación No No ✅ Yes Sí ✅ Yes Interactividad No Interactividad Interactividad No ❌ No Todo lleno ✅ Full Access to server resources ✅ Direct ✅ Via getServerSideProps ❌ Needs API calls Acceso a los recursos del servidor Acceso a los recursos del servidor ✅ Direct En directo ✅ Via getServerSideProps Esta vía getServerSideProps Necesita llamadas de API ❌ Needs API calls Cuando se corre Descargar en Browser Cuando se corre When it runs On-demand or streamed Per request Per request Descargar en Browser On load in browser UI personalizado o dinámico Flujos interactivos, UX local Caso de uso ideal Caso de uso ideal Static or data-bound views UI personalizado o dinámico UI personalizado o dinámico Flujos interactivos, UX local Flujos interactivos, UX local Think in Components, Not Just Pages In earlier versions of Next.js, rendering strategies were applied at the . You had , de , and whatever you chose applied to the Esto tenía sentido en un mundo donde el rendimiento ocurrió todo o nada, ya sea estáticamente en el momento de la construcción, o dinámicamente en cada solicitud. page level getServerSideProps getStaticProps entire page Pero con Y el directorio introducido en Next.js 13+ y estandarizado en 15, . It becomes a Esto desencadena una nueva mentalidad. React Server Components (RSC) app/ rendering is no longer a top-down, one-size-fits-all decision per-component concern Una nueva forma de pensar: rendimiento declarativo y compostable Este cambio es más que un cambio de API, es un cambio conceptual en la forma en que arquitecta su frontend. Declarative Instead of orchestrating y components are rendered manually, you now simply — React and Next.js take care of the rest. how dónde declare what each component does and what it needs Usted no filtra manualmente los puntos finales de la API ni pasa los props de SSR a los componentes. // Server Component export default async function ProductInfo() { const product = await db.getProduct(slug) return <div>{product.name}</div> } This component: y y y Se ejecuta en el servidor Doesn’t send JS to the client No requiere ningún getServerSideProps o capa de API Es “sólo un componente” – no se necesita ninguna abstracción adicional Describe la UI y sus necesidades de datos , and the rendering engine figures out the rest. declaratively Composable Diferentes partes de su interfaz de usuario pueden usar diferentes estrategias de rendimiento. , de , and . on the same page at the same time with minimal overhead For example: // Product page layout <ProductInfo /> // Server Component (no JS, rendered on the server) <AddToCartButton /> // Client Component (interactive) <SimilarProducts /> // Static Component (SSG with revalidation) Estos componentes viven juntos en el mismo árbol, pero cada uno: y y y y Se ejecuta en un entorno diferente (servidor, cliente, build) Utiliza sólo los datos y el código que necesita Navega exactamente lo que se requiere para el navegador - no más, no menos To make this more concrete, I created a que muestra cómo diferentes estrategias de rendimiento pueden coexistir en una sola página. Mínimo Demo 3. How React Server Components Work Under the Hood Cómo funcionan los componentes del servidor de reacción bajo el capó React Server Components (RSC) are more than just a new rendering strategy, they fundamentally change how component trees are built, rendered, and transmitted. To use RSC effectively in production, it’s important to understand y cómo afecta a las fronteras de estado, interactividad y datos. how it works behind the scenes 🧱 Server/Client Boundary: A Split React Tree Las aplicaciones React que usan RSC ya no se muestran completamente en el cliente. : component tree is split into two worlds y y : Execute only on the server. No JavaScript is ever sent to the browser. Cannot hold local state or attach event listeners. Perfect for rendering static content and server-bound logic (e.g., DB access). Server Components : Must be explicitly marked with . These are compiled into browser-friendly JavaScript and support full interactivity, local state, , and event handling. Client Components "use client" useEffect En build o runtime, React construye un árbol donde los componentes del servidor y el cliente coexisten y los une durante el render. ¿Qué De hecho hace "use client" When you add to a file, it marks that entire module and its exports as . Behind the scenes, this instructs the Next.js build pipeline to: "use client" client-only y y y Compila ese archivo (y sus dependencias) en un paquete separado de JavaScript Exclude that component from being run on the server Treat it like a classic React CSR component with hydration logic Esta Directiva actúa como una between the two sides of the tree. All components above it can be server-rendered; all components below it must be rendered in the browser. boundary marker 💧 Streaming: Rendering in Pieces, Not All at Once RSC embraces as a native rendering strategy. Instead of waiting for the full React tree to be built before sending it to the browser, the server para el cliente cuando esté listo. streaming streams serialized fragments y y Server Components are rendered and sent as soon as possible Los portadores (por ejemplo, a través de <Suspense>) rellenan temporalmente Client Components hydrate incrementally, only when they load ¿Cómo es posible esto? RSC introduce un concepto llamado hidratación selectiva.Cuando un Componente Cliente es renderizado dentro de un árbol de Componentes de Servidor, React inserta un colocador (<div data-rsc-placeholder />) y desvía la hidratación. Once the client has loaded the corresponding JS bundle: y React lazily carga ese componente específico Encuentra el portador y lo encierra en el árbol vivo Hydrates it in isolation, without re-rendering the entire page This design is : su aplicación se inicia rápidamente, y la interactividad viene en línea gradualmente. decoupled and progressive <Suspense fallback={<LoadingDetails />}> <ProductDetails /> // Server Component </Suspense> <AddToCartButton /> // Client Component (hydrated later) Recuperación de datos y división de código en RSC Otra clave “mágica” de RSC: y Sin depender de , de , or manual prop-passing. you can fetch data directly inside components with async/await getServerSideProps useEffect // Server Component export default async function Dashboard() { const stats = await getStatsForUser() return <StatsView data={stats} /> } Why is this possible? y RSC components , not as client-compiled modules run as real server functions They can access , or anything your server runtime supports databases, internal APIs, file systems The result is rendered HTML (not JS) and streamed to the client y también: y y , since the result is static No hydration needed in the component itself — everything resolves before it hits the browser No loading UI logic — unless nested inside a client boundary No code for this component is sent to the client Esto reduce significativamente el tamaño de la placa de calentamiento y el paquete, mientras que mantiene la lógica colocada con la interfaz de usuario - un objetivo de React de larga data que finalmente se realizó a escala. Estado, ganchos y consideraciones del ciclo de vida RSC Las reacciones tradicionales como , , o Porque ellos . el does not support useState useEffect useRef don’t run in the browser useState y useEffect useContext ✅ (if static) async / espera y ✅ (debe estar envuelto en efectos) Event handlers useState Uso Efecto useContext ✅ (if static) ✅ (debe estar envuelto en efectos) Event handlers Feature Características Componentes del servidor Server Component Cliente Componente Cliente Componente useState useState useState useEffect Uso Efecto useEffect ✅ ✅ ✅ (if static) useContext useContext ✅ (si es estático) ✅ (if static) ✅ ✅ (debe estar envuelto en efectos) async/await ✅ ✅ (debe estar envuelto en efectos) (debe estar envuelto en efectos) Event handlers Event handlers Event handlers ❌ ❌ ✅ ✅ This enforces a clean separation of responsibilities: Componentes del servidor: datos y diseño Client Components: interactivity and local state Los Componentes de servidor de React están diseñados para simplificar su aplicación. Una vez que internalize las reglas de límite, el modelo de transmisión y el acceso a datos asíncronos, puede with far less boilerplate than before. compose fast, personalized, and minimal-JS apps 4. What’s the Best Practice? Combining RSC, SSR, and SSG 4. What’s the Best Practice? Combining RSC, SSR, and SSG One of the most common questions React engineers face in Next.js 15 isn’t “should I use RSC?” — it’s “how do I combine RSC with SSR and SSG in a maintainable, high-performance way?” The beauty of Next.js 15 is that you’re no longer limited to one rendering strategy per page. Instead, you can now , applying the most appropriate approach to each part of the UI. compose rendering strategies at the component level This section introduces a practical framework for making that decision based on actual architectural needs. 🧭 Start with the Core Question: What does this component need? Ask these four questions for every component: Does it need to be interactive? ✅ Yes → Use a Client Component ¿Necesita datos seguros, específicos de solicitud o en tiempo real? ✅ Sí → Considere SSR Can it be precomputed or infrequently updated? ✅ Yes → Prefer SSG Does it fetch server data but never need to run on the client? ✅ Yes → Use RSC 🧩 Example: Product Page Strategy Breakdown Here’s how a typical e-commerce prduct page might be composed using all three strategies: Component Rendering Strategy Razón ProductDetails RSC y Fetched from DB, no interactivity, no need to hydrate AddToCartButton CSR Requires interactivity and local state y RelatedProducts SSG (con ISR) Seguro para la caché en el momento de la construcción, se puede revalidar cada 24 horas o por tag y StockStatusBanner RSC + streaming Frequently changing, streamed in with Suspense to not block TTFB Component Rendering Strategy ProductDetails RSC Fetched from DB, no interactivity, no need to hydrate AddToCartButton Requires interactivity and local state RelatedProducts Seguro para la caché en el momento de la construcción, se puede revalidar cada 24 horas o por tag StockStatusBanner RSC + streaming Frequently changing, streamed in with Suspense to not block TTFB Component Rendering Strategy Component Component Rendering Strategy Rendering Strategy Razón ProductDetails RSC Fetched from DB, no interactivity, no need to hydrate ProductDetails ProductDetails RSC RSC Fetched from DB, no interactivity, no need to hydrate Fetched from DB, no interactivity, no need to hydrate PriceWithPersonalization PriceWithPersonalization SSR SSR Depende de la sesión del usuario, dinámico por solicitud Depends on user session, dynamic per request AddToCartButton Requires interactivity and local state AddToCartButton AddToCartButton CSR CSR Requires interactivity and local state Requires interactivity and local state RelatedProducts Seguro para la caché en el momento de la construcción, se puede revalidar cada 24 horas o por tag RelatedProducts RelatedProducts SSG (with ISR) SSG (with ISR) Seguro para la caché en el momento de la construcción, se puede revalidar cada 24 horas o por tag Seguro para la caché en el momento de la construcción, se puede revalidar cada 24 horas o por tag StockStatusBanner RSC + streaming Frequently changing, streamed in with Suspense to not block TTFB StockStatusBanner StockStatusBanner RSC + streaming RSC + streaming Frequently changing, streamed in with Suspense to not block TTFB Frequently changing, streamed in with Suspense to not block TTFB Each component is doing — no more, no less. No full-page hydration, no global data fetching, no unnecessary JavaScript. just what it needs to do Diseñar las mejores prácticas para combinar estrategias ✅ 1. Start Server-First Design every component as a Server Component by default. Opt into interactivity ( ) only when necessary. This keeps bundles smaller and simplifies testing. "use client" ✅ 2. Keep boundaries clear Utilice nombres de carpeta o sufixos de nombre de archivo para hacer límites explícitos: /components /server/ProductDetails.tsx /client/AddToCartButton.tsx /shared/ReviewStars.tsx ✅ 3. abrazar la suspensión para la entrega progresiva Use to stream in non-critical RSCs without blocking the whole page: <Suspense> <Suspense fallback={<LoadingReviews />}> <ReviewList /> </Suspense> Co-locate la lógica con los componentes Don’t split data-fetching and UI across files unless necessary. In RSC, you can colocate la lógica directamente dentro del árbol de componentes - el marco se ocupa del resto. async ✅ 5. Use ISR (Incremental Static Regeneration) smartly For cacheable, high-traffic pages like blog articles or marketing sections, use SSG + revalidation: export const revalidate = 3600 // regenerate every hour 8 errores comunes a evitar ❌ by default — you’ll end up with CSR all over again Using "use client" Recuperación de datos en los componentes del cliente cuando podría ser hackeado por el servidor ❌ — instead, let client components be focused, isolated, and stateful Passing too much data between RSC and client components via props ❌ logic inside RSC — no need, RSC server-side Recreating SSR-style getServerSideProps is Resumen del árbol de decisión Here’s a simplified guide: Is it interactive? │ ├── Yes → Client Component (CSR) │ └── No │ ├── Needs per-request data? → SSR │ ├── Can be pre-rendered? → SSG │ └── Otherwise → RSC You don’t need to memorize it. Once you internalize how rendering maps to responsibility, . the decisions become intuitive La mejor práctica no se trata de elegir “la mejor estrategia de rendimiento”. Se trata de — with clarity, purpose, and performance in mind. designing rendering as an intentional part of your component architecture 6. Looking Ahead: Why RSC Is More Than Just a Feature Mirando hacia adelante: por qué RSC es más que una característica React Server Components no es sólo una optimización de rendimiento o una mejora de DX. . Much like React Hooks in 2019, RSC in 2025 is . they represent a foundational shift in how we build React applications redefining the baseline for frontend architecture RSC cambia el modelo mental de la construcción en reacción Traditional React development was always built on this assumption: “The browser owns the runtime. We hydrate everything. Every piece of logic and data must live in the client, or be fetched via API.” RSC breaks that assumption. With RSC, you now ask: y y ¿Puedo saltar la hidratación por completo? Can this component run purely on the server? ¿Puedo colocar la lógica backend con mi UI? It gives us back Pero no con los pantalones y los pantalones, sino con . the ability to separate display logic and interactivity cleanly first-class architectural boundaries It’s no longer “client-first.” It’s “purpose-first.” Each part of your UI exists where it’s most efficient — server, client, or static. 🌐 Ecosystem Shift Toward Server-First Rendering RSC isn’t happening in isolation. The broader frontend ecosystem is undergoing a . el server-first rendering renaissance Frameworks like: y y Remix se inclina fuertemente en la carga de datos del servidor y las acciones de formulario. embraces zero-JS by default, shipping only islands of interactivity. Astro Qwik lleva la hidratación al extremo - posponiendo todos los JS hasta que sea explícitamente necesario. , with RSC and App Router, now puts of the developer experience. Next.js 15 per-component rendering at the center Esto no es una coincidencia, es un reflejo de una verdad dura que todos hemos sentido: Sending less JavaScript is the only way to scale interactivity and performance on the modern web. React Server Components are the React-native answer to that challenge — deeply integrated, ergonomic, and production-ready. Qué esperar a continuación The evolution is still ongoing. As React 19 and the ecosystem mature, we can expect: y y Más herramientas de depuración y perfilado granulares para árboles RSC to show boundaries and hydration timelines Better DevTools integration patrones de orden superior a estrategias de rendimiento abstracto (por ejemplo, envases <ServerOnly>, <DeferredClient>) Broader adoption in design systems, frameworks, and libraries (e.g., RSC-aware UI kits) ¿Te ha gustado la lectura? If this article helped you think differently about React and Next.js 👉 Para más profundidades Follow me on HackerNoon HackerNoon 👉 to chat about React, architecture, or RSC migration Or connect with me on Linkedin Linkedin
