Pretext Boosts UI Development Performance with TypeScript Library

🚀 𝗥𝗲𝗮𝗰𝘁 𝗟𝗶𝘀𝘁 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗜𝘀𝘀𝘂𝗲𝘀 𝗪𝗵𝗲𝗻 𝗥𝗲𝗻𝗱𝗲𝗿𝗶𝗻𝗴 𝗟𝗮𝗿𝗴𝗲 𝗗𝗮𝘁𝗮 𝗦𝗲𝘁𝘀 Handling large datasets in React can quickly turn your smooth UI into a laggy experience. If your app starts slowing down when rendering long lists, you're not alone — this is one of the most common performance challenges developers face. 🔍 𝗪𝗵𝘆 𝗱𝗼𝗲𝘀 𝘁𝗵𝗶𝘀 𝗵𝗮𝗽𝗽𝗲𝗻? When React renders thousands of elements at once, it increases DOM size, consumes more memory, and slows down reconciliation. This leads to noticeable UI lag and poor user experience. ⚠️ 𝗖𝗼𝗺𝗺𝗼𝗻 𝗠𝗶𝘀𝘁𝗮𝗸𝗲𝘀  Rendering entire datasets without optimization  Missing `𝗸𝗲𝘆` props or using unstable keys  Unnecessary re-renders due to poor 𝘀𝘁𝗮𝘁𝗲 𝗺𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁  Not leveraging memoization techniques 💡 𝗕𝗲𝘀𝘁 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 𝘁𝗼 𝗜𝗺𝗽𝗿𝗼𝘃𝗲 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 ✔️ Use list virtualization (e.g., react-window, react-virtualized) ✔️ Implement pagination or infinite scrolling ✔️ Use 𝗥𝗲𝗮𝗰𝘁.𝗺𝗲𝗺𝗼() to prevent unnecessary re-renders ✔️ Avoid inline functions and objects inside render ✔️ Optimize state updates and avoid deep prop drilling 🔥 𝗣𝗿𝗼 𝗧𝗶𝗽: Instead of rendering 10,000 items, render only what the user can see — this can drastically boost performance. ⚡ Optimizing list rendering is not just about speed — it's about delivering a seamless user experience. #ReactJS #WebDevelopment #Frontend #PerformanceOptimization #JavaScript #CodingTips

🚀 Frontend Project Structure Explained (Clean & Scalable) If you’re building apps in React or any frontend framework, your folder structure matters more than you think. A well-organized structure helps you: ✅ Scale projects easily ✅ Improve code readability ✅ Collaborate better with teams ✅ Debug faster Here’s a simple breakdown: 📂 API → Backend communication 📂 Assets → Images, fonts, static files 📂 Components → Reusable UI 📂 Context → Global state 📂 Hooks → Custom logic 📂 Pages → Application screens 📂 Redux → Advanced state management 📂 Services → Business logic 📂 Utils → Helper functions 💡 Keep it clean. Keep it scalable. Keep it maintainable. What structure do you follow in your projects? 🤔 #frontend #reactjs #webdevelopment #javascript #coding #softwareengineering #developer #programming #ui #ux #100DaysOfCode #nikhilcodes 🚀

Most people think UI development is slow, messy, and full of compromises It doesn’t have to be Here’s a combo that completely changed how I build interfaces: ⚛️ React 🎨 Tailwind CSS 🧩 shadcn/ui This stack is not just about building fast—it's about building clean, scalable, and beautiful UIs without fighting your code Why it works so well: Tailwind CSS → utility-first, no more context switching between files shadcn/ui → real components you own (not a black box library) React → flexible architecture to scale anything 👉 The real power? You’re not installing a heavy UI framework You’re composing your own design system No more: ❌ overriding endless CSS ❌ fighting component libraries ❌ inconsistent design Instead: ✅ full control over UI ✅ consistent, reusable components ✅ modern, clean design out of the box This is how a modern frontend should feel: fast, flexible, and actually enjoyable If you’re still stuck with bloated UI libraries… it might be time to switch What’s your go-to UI stack right now? #ReactJS #TailwindCSS #shadcn #FrontendDevelopment #UIUX #WebDevelopment #JavaScript #DesignSystems #CleanCode #DeveloperExperience #Programming #DevCommunity

Shipped a few performance improvements this week. Started from one important part: the critical rendering path. I thought: if I don’t know what blocks first paint, I'm optimizing blindly. ✅ Code splitting - Removed non-critical UI (dialogs, popovers, interaction-only components) from the initial bundle and lazy loaded them. ✅ Network requests Audited every fetch with two questions: → Does this need to happen now? → Does it need to happen this often? - Found a Stripe call firing on every popover open. The response is stable within a session → now fetched once and reused. - Replaced fixed polling with exponential backoff for async processes. Same outcome, fewer requests. ✅ Skeleton screens: They don’t make data faster, but they improve perceived performance and reduce drop-off. #webperformance #frontend #reactjs #nextjs #performance #ux #developers #softwareengineering #buildinpublic #webengineering #webdevelopment #javascript #webdev --- I post about web engineering, front-end and soft skills in development. Follow me here: Irene Tomaini

🚀 Just Built: FixTheUI – Because good UI isn’t optional anymore. Ever visited a website that works… but just feels off? Bad spacing, poor responsiveness, clunky design? That’s exactly what inspired me to build FixTheUI. 💡 What is FixTheUI? A project focused on refining and upgrading existing UI designs — not from scratch, but by improving what already exists. Because in real-world development, you don’t always build new apps… you fix and improve existing ones. ✨ What I focused on: 🎨 Clean and modern UI redesign 📱 Fully responsive layouts (mobile → desktop) 🧩 Better component structure ⚡ Improved user experience & interactions 🧹 Cleaner, more maintainable code 🛠️ Tech Stack: React + Vite Tailwind CSS ESLint Deployed on Vercel 🌐 Check it out: 🔗 Live Demo: https://lnkd.in/eWmxTha2 📂 GitHub: https://lnkd.in/e6pdhviy 🧠 What I learned: UI is not just design, it’s experience Small changes = big impact Writing clean UI code matters as much as functionality 💬 Feedback? I’d love to hear your thoughts 👇 What would YOU improve in this UI? #React #Frontend #WebDevelopment #UIUX #TailwindCSS #JavaScript #BuildInPublic

A modular React UI ecosystem I've been quietly building (and never really promoted) using in production for years — and today is the first time I'm publicly talking about it. What's in 2.0: → Custom CSS-in-JS engine, React 19 streaming SSR via <style precedence> → Chainable component composition (attrs) + multi-dimensional theming (rocketstyle) → Storybook coverage that auto-generates from your component dimensions → Mobile-first responsive that only emits property deltas across breakpoints → Web and React Native from the same source → Modern monorepo: Bun + Vitest + Changesets + OIDC publishing If your stack has outgrown utility CSS but you don't want a heavyweight framework, this might be the gap it fills.

𝘂𝘀𝗲𝗘𝗳𝗳𝗲𝗰𝘁 𝘃𝘀 𝘂𝘀𝗲𝗟𝗮𝘆𝗼𝘂𝘁𝗘𝗳𝗳𝗲𝗰𝘁 𝗶𝗻 𝗥𝗲𝗮𝗰𝘁 — 𝗖𝗵𝗼𝗼𝘀𝗶𝗻𝗴 𝘁𝗵𝗲 𝗥𝗶𝗴𝗵𝘁 𝗛𝗼𝗼𝗸 𝗮𝘁 𝘁𝗵𝗲 𝗥𝗶𝗴𝗵𝘁 𝗧𝗶𝗺𝗲 React gives developers powerful hooks to manage side effects, but understanding when each hook runs can make a significant difference in UI performance and user experience. Two commonly misunderstood hooks are: 🔹 𝘂𝘀𝗲𝗘𝗳𝗳𝗲𝗰𝘁() useEffect runs after the browser has painted the UI. This makes it the right choice for:  • API requests  • Event listeners  • Subscriptions  • Logging  • Updating external systems Because it runs after paint, it does not block rendering, helping keep your application fast and responsive. 🔹 𝘂𝘀𝗲𝗟𝗮𝘆𝗼𝘂𝘁𝗘𝗳𝗳𝗲𝗰𝘁() useLayoutEffect runs immediately after the DOM updates but before the browser paints the screen. This makes it useful for:  • Reading element dimensions  • Measuring layout  • Scroll position adjustments  • Preventing visual flicker  • Synchronizing DOM changes before display Since it runs before paint, users never see intermediate layout changes. 𝗪𝗵𝘆 𝗶𝘁 𝗺𝗮𝘁𝘁𝗲𝗿𝘀 Using the wrong hook can lead to: ❌ Layout shifts ❌ Flickering UI ❌ Incorrect measurements ❌ Less predictable rendering behavior Choosing the correct hook leads to: ✅ Smoother interfaces ✅ Better visual stability ✅ More predictable components 𝗦𝗶𝗺𝗽𝗹𝗲 𝗿𝘂𝗹𝗲 𝗼𝗳 𝘁𝗵𝘂𝗺𝗯 Use useEffect → for most side effects Use useLayoutEffect → when layout or visual updates must happen before paint Small React details like this often separate working code from polished frontend engineering. #React #JavaScript #FrontendDevelopment #WebDevelopment #SoftwareEngineering

🚀 React Suspense — Handle Loading UI Like a Pro You’ve implemented lazy loading… 👉 But what happens while the component is loading? That’s where React Suspense comes in. 💡 What is Suspense? Suspense lets you: 👉 Show a fallback UI 👉 While waiting for something to load ⚙️ Basic Example import React, { Suspense, lazy } from "react"; const Dashboard = lazy(() => import("./Dashboard")); function App() { return ( <Suspense fallback={<div>Loading...</div>}> <Dashboard /> </Suspense> ); } 👉 Displays fallback until component loads 🧠 How it works ✔ Component is lazy-loaded ✔ Suspense “waits” for it ✔ Shows fallback UI ✔ Renders component when ready 🧩 Real-world use cases ✔ Lazy loaded routes ✔ Large dashboards ✔ API data (with frameworks) ✔ Component-level loading states 🔥 Why Suspense Matters 👉 Without Suspense: ❌ Blank screen or broken UI 👉 With Suspense: ✅ Smooth loading experience ✅ Better UX ⚠️ Common Mistake // ❌ Forgetting fallback <Suspense> <Dashboard /> </Suspense> 👉 Causes rendering issues 🔥 Best Practices ✅ Always provide meaningful fallback UI ✅ Use skeleton loaders (better UX) ✅ Combine with lazy loading ❌ Don’t overuse nested Suspense unnecessarily 💬 Pro Insight (Senior-Level Thinking) 👉 Suspense is not just for loading… 👉 It’s a foundation for async UI in React 📌 Save this post & follow for more deep frontend insights! 📅 Day 28/100 #ReactJS #FrontendDevelopment #JavaScript #ReactHooks #PerformanceOptimization #WebDevelopment #SoftwareEngineering #100DaysOfCode 🚀

🚀 Portfolio Update, More Than Just a Website A little while ago, I shared my personal portfolio. Since then, I’ve been actively improving it, not just visually, but structurally and technically—to better reflect how I approach building real-world applications. This project has evolved into a fully structured, scalable React application, not just a static showcase. Here’s a deeper look at what I’ve built: ⚡ Modern Frontend Architecture Built using React 19 + Vite 7 for fast performance and clean workflows, with React Router enabling smooth multi-page navigation. 🧩 Data-Driven Design All content (projects, skills, experience, certifications) is modularized into reusable data files—making the app easy to scale and maintain. 🎯 Interactive Features Filterable projects with detailed metadata Skills connected directly to real projects Modal-based interactions for deeper exploration Smooth transitions across pages 🎨 UI/UX & Design System Designed a consistent dark-themed interface using Tailwind CSS, with glassmorphism elements, gradients, and Framer Motion animations. ♿ Accessibility & Usability Implemented semantic structure, keyboard navigation, focus states, and ARIA basics. 🛠 Code Quality & Structure Clean folder organization (components, pages, hooks, data), reusable components, and ESLint for consistency. 📬 Functional Contact System Integrated Formspree with environment-based configuration. 🌐 Deployment & Domain Deployed on Vercel with a custom domain, configured for SPA routing and production optimization. 📈 Ongoing Work This isn’t a finished project—I’m continuously improving it as I build more and learn more. 🔗 https://lnkd.in/e_uACtkt Github Repo: https://lnkd.in/ecwniuDB Open to feedback and opportunities! #webdevelopment #react #tailwindcss #frontend #portfolio #OpenToOpportunities

What is useOptimistic? useOptimistic is a React Hook for optimistic UI updates — where you assume an action will succeed and reflect it immediately in the interface. Instead of waiting for an API response: - user clicks → UI updates instantly - request runs in the background - final state syncs when response arrives const [optimisticState, setOptimisticState] = useOptimistic(initialState); Under the hood, React temporarily renders this “optimistic” state while the async action is in progress, then replaces it with the real data once it’s ready. There is the example on the screenshot and there: - click -> count increases immediatly - request runs in background - final state replaces optimistic one It’s a small API, but a big UX upgrade. #react #frontend #webdev #javascript #reactjs #performance