🚀 Just launched: react-state-vitals A zero-config memory & render monitor for React apps. While working on production apps, I kept asking: 👉 Why is this component re-rendering so much? 👉 Which store is growing in memory? 👉 Where is my performance actually going? So I built a tool to make this visible — instantly. 🧠 react-state-vitals gives you a live floating panel in development: • 📊 Store size tracking (Zustand, Context, React Query) • 🔁 Re-render counts per component • 🧬 JS heap usage insights • ⚡ Zero setup — just install and see Think of it as: 👉 “Vitals for your React state & memory” 📦 Try it here: https://lnkd.in/gU692hyT 🔥 Next I’m planning: • DevTools-like overlay • Identify memory-heavy components in real time • Visual performance timeline Would love feedback from fellow devs 🙌 What would you want this to track next? #React #JavaScript #Frontend #WebPerformance #OpenSource #NextJS #Zustand

I used to think I understood React… until I had to pass the same state through 3–4 components just to control one small thing 😅 It worked, but it didn’t feel right. So instead of jumping to another tutorial, I tried to actually "understand the problem" and that led me to the Context API. To keep things simple, I built a tiny “bulb toggle” app 💡 At first, everything was prop-based. Then I switched to Context… and the difference was obvious. Now: 1. I’m not passing props through unnecessary layers 2. Components feel more independent 3. The code is easier to read and reason about But I also learned something important while doing this: 👉 Context is helpful, but it’s not a replacement for everything If the state is simple and only needed in a few places, props are still totally fine. Context starts to make sense when multiple parts of your app need the same data. Still early in my journey, but this was one of those small moments where things started to click. If you’ve worked with Context before -> 👉 how do you decide between props, Context, or other state tools? #learninginpublic #reactjs #webdevelopment #javascript #frontenddevelopment

React is easy to start… But hard to master. At first, it’s just components and props. But then you realize the real game: 👉 State management 👉 Performance optimization 👉 Re-render control A small mistake in structure can slow down your entire app. What I’ve been focusing on: ✔ Writing reusable components ✔ Avoiding unnecessary re-renders ✔ Keeping logic clean and scalable Because good UI isn’t just about looks… It’s about performance + maintainability. #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #UIUX

Is poor state architecture the real reason your React app is hard to scale? Full guide: https://lnkd.in/d9Ayg3gM ➤ In most codebases, yes. • Props: parent-to-child only • Local State: UI & form interactions • Context API: auth, themes, no prop drilling • Redux: large-scale apps only • Hooks: performance & global state access ➤ Golden rule: keep state as local as possible. ➤ Simplicity before premature complexity. #ReactJS #FrontendDevelopment #StateManagement #Redux #JavaScript

🚀 Most people think slow apps = slow internet ❌ But today I learned something deeper 👇 A React app is not just “download and show UI” The browser actually does 3 heavy things: 📥 Download JavaScript 🧠 Parse (understand) it ⚙️ Execute (run) it 👉 Even UNUSED code still gets parsed 👉 Some of it even executes 💥 That means: Big bundle = more browser work = slower app So performance is not just about: 👉 reducing size It is about: 👉 reducing unnecessary JavaScript work That’s where things like: ⚡ Code Splitting 💤 Lazy Loading 🌳 Tree Shaking actually matter 💡 Biggest mindset shift: “Don’t send everything. Send only what the user needs right now.” Learning in public 🚀 #frontend #react #webperformance #javascript #softwareengineering

We often face performance issues when displaying huge lists in React. Apps slowing down, freezing, or lagging on scroll. This happens because React tries to render every item in the DOM at once which quickly becomes a bottleneck. Pagination or infinite scroll can help reduce the initial load but over time, DOM elements still accumulate, making scrolling sluggish. React-virtualized solves this by rendering only visible items, keeping the DOM light and scrolling smooth. For best results, combine it with pagination or infinite scroll. Fetch limited items from the server while virtualized rendering ensures performance, even with thousands of items. #React #WebDevelopment #FrontendDevelopment #JavaScript #ReactJS #UXDesign #WebApp #SoftwareEngineering #TechSolutions #MERNStack #UIUX #BusinessApps #fullstack #WebDevTips #CodeOptimization #FrontendEngineering

🧠 Part 3 of 10: Duplicated state is one of the fastest ways to make a React app feel unstable. Everything looks fine at first. Then one value updates. The other one doesn’t. Now the UI technically works, but nobody fully trusts it. That’s the part people don’t say enough: a lot of frontend bugs are really trust issues. The UI says one thing. The data says another. Now the team starts building around confusion. Whenever I can, I try to keep state close to a single source of truth. It makes code easier to reason about. And future changes get a lot less annoying. What bug have you traced back to duplicated state? #React #ReactJS #FrontendEngineering #StateManagement #JavaScript #UIEngineering #WebDevelopment

⚡ Why Most React Apps Feel Slow (And How to Fix It) Many developers think performance issues come from React itself. But in reality — it’s usually how we use it. Here are some common mistakes 👇 🔴 Unnecessary Re-renders Components re-render more than they should. 👉 Use React.memo, useMemo, useCallback wisely. 🔴 Large Component Trees Everything in one component = performance drop. 👉 Split into smaller, reusable components. 🔴 Ignoring Lazy Loading Loading everything at once hurts UX. 👉 Use React.lazy() and dynamic imports. 🔴 Heavy State Management Too much global state = unnecessary updates. 👉 Keep state as local as possible. 🔴 No Virtualization Rendering long lists directly? Big mistake. 👉 Use libraries like react-window. 💡 Performance is not about optimization later — it’s about writing better code from the start. What’s the biggest performance issue you’ve faced in React? 👇 #ReactJS #Frontend #WebDevelopment #JavaScript #Performance

⚠️ Your React App Isn’t Slow… You’re Just Rendering Too Much. I used to think UI lag was normal as my React projects grew. Turns out — I was wrong. The real problem? 👉 Unnecessary re-renders killing performance. Here’s what I changed: • Used React.memo to stop useless re-renders • Avoided redundant state updates • Fixed messy useEffect dependencies • Broke large components into smaller reusable pieces And the impact? • Faster UI • Better performance • Cleaner codebase Biggest lesson: React doesn’t slow down — poor optimization does. Now I’m more focused on how components render, not just what they render. #reactjs #webdevelopment #mernstack #frontend #performance #javascript

🧠 Most React apps scale fine at the start, Until state becomes messy, unpredictable, and hard to manage. 👉 Read the full guide 🔗 📌 What you’ll learn: https://shorturl.at/jtKRp ➥ Why poor state design is the biggest bottleneck in scaling React apps ➥ How to separate UI state vs server state effectively ➥ When to use local state, context or state libraries ➥ Patterns to avoid prop drilling and unnecessary re-renders ➥ Practical strategies to build clean, scalable state systems ✨✍ Written by: Harsh Chauhan #ReactJS #StateManagement #FrontendArchitecture #WebDevelopment #JavaScript #ScalableSystems #Engineering