Is your React app "janky" on mobile? Stop blaming the framework. The problem isn't React (or Vue, or Angular). It's that we're so focused on the "framework-pure" way of doing things that we ignore the browser's most powerful performance tools. We've all seen it: the app is buttery-smooth on a high-end dev machine, but the first bug report is "it feels slow." This jank often comes from two common "pure" patterns: 1. 𝗛𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘀𝘁: Forcing React to create VDOM nodes for thousands of static elements (like a complex SVG) that will never change. 2. 𝗠𝗮𝗶𝗻 𝗧𝗵𝗿𝗲𝗮𝗱 𝗕𝗹𝗼𝗰𝗸𝗮𝗴𝗲: Firing non-critical tasks (like analytics) in a useEffect immediately on mount, competing with rendering and user input. The fix isn't a new library. It's to offload this work to the browser. I use a simple two-part "trick": 𝟭. 𝗢𝗳𝗳𝗹𝗼𝗮𝗱 𝗣𝗮𝗿𝘀𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 : For massive, static HTML (like a chart SVG), put it in a tag in your index.html. The browser parses it but it remains inert. Then, in your component, use a ref to get an empty , document.getElementById to find the template, cloneNode(true) to copy its content, and appendChild to stamp it in. React now manages one empty instead of 1,000 nodes. 𝟮. 𝗢𝗳𝗳𝗹𝗼𝗮𝗱 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝗿𝗲𝗾𝘂𝗲𝘀𝘁𝗜𝗱𝗹𝗲𝗖𝗮𝗹𝗹𝗯𝗮𝗰𝗸: For that analytics event, wrap it in requestIdleCallback. This tells the browser, "Run this code only when you have a free second and aren't busy with user input or animations." It stops non-critical JS from blocking the UI. By letting the browser do what it's best at, our framework-based app feels infinitely faster. What are your favorite native browser APIs for boosting framework performance? . . . (Full, deep-dive guide in the first comment. 👇) #WebPerformance #React #JavaScript #FrontendDevelopment #WebDev
How to boost React app performance with browser APIs
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📣 New on the blog: Learn how to build a web app with Preact — no npm, no build tools, just modern browser-native modules and minimal setup. 🔗 Read more: https://lnkd.in/dy2Jzjha #Preact #JavaScript #WebDevelopment #Frontend #WebApps #EndPointDev
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🚀 React.js — The Power of Component-Based UI Development React.js is a component-based JavaScript library that makes it easy to build dynamic, fast, and interactive user interfaces — especially for single-page applications. Its modular approach lets you break the UI into small, reusable pieces called components, improving scalability and maintainable, see the below image for simple example 👇 🔍 Let’s break it down: import React from 'react'; → Imports the React library, which lets you use JSX (JavaScript + HTML-like syntax) and create components. function App() { ... } → Defines a functional component called App, which is the basic building block of a React UI. return (...) → Returns JSX, the visual representation of what appears on the screen. In this case, an <h1> tag showing “Hello World!”. export default App; → Exports the component so it can be reused or rendered in other parts of the application. #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #LearnReact #UIDesign
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Building modern web apps with React and Laravel is a game-changer! Here's why this combo rocks: 🔹 React: The go-to for dynamic, user-friendly frontends. Its component-based architecture makes building interactive UIs a breeze, with fast rendering thanks to the virtual DOM. Whether it's a single-page app or a complex dashboard, React delivers a smooth user experience. 🔹 Laravel: The backend powerhouse. With elegant syntax, robust features like Eloquent ORM, and built-in tools for authentication, routing, and APIs, Laravel makes server-side development efficient and enjoyable. 💡 Why together? Pair React's responsive frontend with Laravel's RESTful APIs for a seamless full-stack experience. Laravel handles the heavy lifting—database management, security, and logic—while React brings the UI to life. Use Laravel's API routes to feed data to React via Axios or Fetch, and you’ve got a scalable, maintainable app. 👉 Pro tip: Leverage Laravel’s Sanctum or Passport for secure authentication and integrate it with React’s state management (like Redux or Context API) for a polished user flow. What’s your favorite React + Laravel project? Let’s swap ideas in the comments! 💬 #WebDevelopment #ReactJS #Laravel #FullStack
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Ever wondered why your web app feels sluggish even though your code “looks fine”? The culprit might be \*JavaScript bundling\*—and if you’re not paying attention, your users could be waiting for a lot more than they should. Let’s talk about one of the coolest, yet often overlooked, modern advancements in JavaScript tooling: \*\*Module Federation\*\*. It’s a feature introduced in Webpack 5 that’s changing how we think about building and deploying front-end apps. ### So, what’s Module Federation all about? Imagine your large app is actually a collection of smaller, independently developed pieces—or microfrontends. Module Federation allows these separate apps to \*\*dynamically share code at runtime\*\* without bundling everything together upfront. This means: - \*\*Smaller initial downloads for the user\*\* because you're only loading what you need, when you need it. - \*\*Independent deployments\*\* for teams, so frontend engineers can ship features without waiting on a massive centralized release. - \*\*Reuse across apps\*\* without duplicated code all over the place, reducing bundle sizes and speeding up load times. ### Why should you care? In big projects, the bundle size can balloon quickly, impacting performance and SEO. Module Federation lets you slice your app into pieces that can evolve separately yet still work seamlessly together. For example: You might have a marketing site, a checkout flow, and a user dashboard built by different teams. Instead of compiling all components into a single huge JS file, each part can load only what it needs, and share common libraries \(like React or lodash\) to avoid doubling the payload. ### How to get started? You don’t have to retool your entire project overnight. Start experimenting by exposing a few components from one app and consuming them in another. Webpack’s docs and community examples make this surprisingly approachable. --- If you haven’t explored Module Federation yet, it’s a great time to add it to your toolbox. It’s not just about code splitting anymore—it’s about \*collaboration, scalability, and better user experiences\*. Would love to hear if you’ve tried Module Federation—what challenges did you face? And how has it impacted your projects? #JavaScript #WebDevelopment #FrontendEngineering #Webpack #Microfrontends #Performance #CodingTips #TechTrends
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React vs. Next.js: Is It Even a Contest Anymore? 🤔 Here’s my current take for any new modern web build: Always start with Next.js. While React gives us the best component library for building UIs, Next.js provides the essential structure that turns a good React app into a great, production-ready application. The difference is simple: Performance and DX (Developer Experience). Next.js handles the hard parts like speed (SSR/SSG) and routing so we can focus purely on the component logic. If you are building something users will interact with, why not use the framework that ensures top speed and SEO out of the box? My Insight: Relying only on vanilla React for a serious project in 2024/2025 is like building a highway without lane markings you can do it, but it's much slower and riskier! I’m keen to hear what you think! Are you still building larger applications purely in Create React App, or have you fully embraced the Next.js ecosystem? Let's discuss in the comments! 👇 #ReactJS #NextJS #WebDevelopment #JavaScript #Frontend #DeveloperExperience
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Memoization in React: `useMemo` vs. `useCallback` Explained. Ever feel like your React app is re-rendering more than it should? Let's clear up the confusion between two of the most powerful (and often confused) hooks for performance optimization: `useMemo` and `useCallback`. Think of them as your app's short-term memory. They both prevent unnecessary work, but they remember different things. `useMemo` remembers a VALUE. Imagine you have a complex calculation, like filtering or sorting a huge array. `useMemo` will store the result of that calculation. On the next render, if the inputs haven't changed, React will just grab the stored result instead of running the expensive function all over again. `useCallback` remembers a FUNCTION. When you pass a function as a prop to a child component, React creates a new version of that function on every single render. This can cause the child to re-render, even if nothing else changed! `useCallback` gives you the *exact same function instance* back, preventing those needless updates, especially when used with `React.memo`. Here's the simple breakdown: - Use `useMemo` to avoid re-calculating an expensive value. - Use `useCallback` to avoid re-creating a function, typically one you're passing as a prop. Remember, these are optimization tools. Don't wrap everything! Use them when you actually measure a performance bottleneck. What are your go-to performance tips for React? Share them in the comments! #ReactJS #JavaScript #WebDevelopment #PerformanceOptimization #Frontend #Developer #CodingTips #useMemo #useCallback If you found this post helpful: 👍 Give it a like! 🔄 Repost to share! 🔖 Save for future reference! 📤 Share with your network! 💬 Drop your thoughts in the comments!
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React vs Next.js | Which One Should You Really Use 🤔? React or Next.js? Every frontend dev faces this question. 👇 ⚛️ React = Build powerful, flexible UIs. 🌐 Next.js = React + SSR, SEO, and next-level performance. 👉 Use React for single-page apps (SPAs). 👉 Use Next.js for production-grade, SEO-optimized websites. Simple rule: React builds components, Next.js builds experiences. I think you should expore react for some time and then shift to next.js. #React #NextJS #WebDevelopment #Frontend #JavaScript #NextjsVsReact
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𝐆𝐚𝐦𝐞-𝐂𝐡𝐚𝐧𝐠𝐞𝐫 𝐟𝐨𝐫 𝐍𝐨𝐝𝐞.𝐣𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬! Express.js — one of the most popular and minimalist web frameworks for Node.js — now has zero-configuration support on Vercel! ⚙️ That means: ✅ No more vercel.json setup ✅ No manual routing through /api ✅ Just build → deploy → go live in seconds Here’s what your backend could look like now 👇 𝘪𝘮𝘱𝘰𝘳𝘵 𝘦𝘹𝘱𝘳𝘦𝘴𝘴 𝘧𝘳𝘰𝘮 '𝘦𝘹𝘱𝘳𝘦𝘴𝘴' 𝘤𝘰𝘯𝘴𝘵 𝘢𝘱𝘱 = 𝘦𝘹𝘱𝘳𝘦𝘴𝘴() 𝘢𝘱𝘱.𝘨𝘦𝘵('/', (𝘳𝘦𝘲, 𝘳𝘦𝘴) => { 𝘳𝘦𝘴.𝘴𝘦𝘯𝘥('𝘏𝘦𝘭𝘭𝘰 𝘞𝘰𝘳𝘭𝘥!') }) 𝘦𝘹𝘱𝘰𝘳𝘵 𝘥𝘦𝘧𝘢𝘶𝘭𝘵 𝘢𝘱𝘱 With this update, Vercel’s infrastructure can now automatically recognize and optimize Express apps — making deployment smoother, faster, and simpler than ever before. As a developer who loves building seamless and scalable backends, this update feels like a massive win for productivity and innovation. 💪 Check out the full changelog here: 🔗 https://lnkd.in/dZX_rfGS Let’s keep building and deploying smarter! 💻 Follow me on Instagram for more dev updates and tips 👉 @https://lnkd.in/djtv28MC #ExpressJS #NodeJS #Vercel #WebDevelopment #FullStack #BackendDevelopment #JavaScript #Innovation #TechUpdate #Developers
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React.js vs Next.js: Choosing the Right tool for Your Project. When building modern web apps, two names always stand out: React.js and Next.js. But what’s the real difference? ■ React.js: A powerful library for building dynamic UIs with flexibility, component-based architecture, and a massive ecosystem. Perfect for SPAs and apps needing custom routing. ■ Next.js: A full-fledged framework built on React, offering SSR/SSG, file-based routing, built-in CSS/image optimization, and SEO out of the box. Ideal for performance-driven, production-ready apps. 》Quick Tip: Use React when you need full control. Choose Next.js when you want speed, SEO, and scalability without extra setup. Which one powers your stack? Drop your thoughts below! #ReactJS #NextJS #WebDevelopment #JavaScript #Frontend #FullStack #WebDev #ReactDeveloper #NextjsDeveloper #TechComparison #Coding #SoftwareEngineering #DeveloperLife #UIUX #DigitalTransformation
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Read the full, in-depth blog post here: https://dev.to/michaelsolati/fighting-framework-jank-whats-not-in-the-docs-mj5