React Props vs Context API: Simplify Data Passing

I almost shipped a slow React app. Not broken. Not buggy. Just… slow. Everything worked. But something felt off — clicks felt delayed, UI had that subtle lag that users notice even if they can't explain it. I opened React DevTools Profiler and what I saw genuinely surprised me. One small interaction was triggering re-renders across components that had absolutely nothing to do with it. Functions being recreated on every render. Child components updating for no reason. I wasn't writing bad code. I just didn't understand what React was actually doing under the hood. Three things that changed everything for me: React.memo — child components stopped re-rendering unless their props actually changed useCallback — function references stayed stable between renders instead of being recreated every time useMemo — expensive calculations stopped running on every single render The difference was immediate. The app felt alive in a way it didn't before. No library. No major refactor. Just understanding how React works and using the tools it already gives you. If your React app feels sluggish and you haven't opened the Profiler yet — that's your next 30 minutes sorted. #ReactJS #Frontend #JavaScript #WebDevelopment #Programming

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

🚀 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

Your React app is getting messy… and this might be why. Ever passed props through 3, 4, or even 5 components just to reach one child? That’s called prop drilling… and it gets messy fast. Enter useContext() your clean and scalable solution. With useContext() you can: ✅ Share global data (like themes, auth, user data) ✅ Avoid unnecessary prop passing ✅ Keep your components clean and maintainable Example: Instead of passing props down manually, wrap your app in a Context Provider and access data anywhere with just one hook. Cleaner code. Better structure. Less stress. If you're building scalable React apps, mastering useContext() is a must. Have you used useContext() before, or are you still battling prop drilling? #ReactJS #WebDevelopment #Frontend #JavaScript #CodingTips #ReactHooks

Stop building boring apps… so I challenged myself 👇 I recently built a Todo App using React and Redux Toolkit, focusing on clean UI and efficient state management. The goal was to understand better how to structure applications using global state and keep the codebase simple and maintainable. ✨ Features: ✔ Add & Delete Todos ✔ Clean UI with Tailwind CSS ✔ State management with Redux Toolkit This project was a great exercise in applying core frontend concepts in practice. If you want to learn about code, you can see the GitHub repository. 🔗 GitHub Repository: #React #ReduxToolkit #FrontendDevelopment #JavaScript #WebDevelopment

🧠 Today I learned something powerful in React: Zustand As I continue building my frontend skills, I explored a lightweight state management library called Zustand — and honestly, it changed the way I think about managing state in React apps. Before this, I mostly used useState and props drilling, which works fine for small apps. But when the app grows, sharing state between components becomes messy and hard to maintain. That’s where Zustand comes in. 🚀 What I learned about Zustand: It allows you to create a global state store outside components Any component can access or update the state directly No need for Context Provider or complex Redux setup Clean, minimal, and very easy to use 💡 Simple idea that helped me understand it: Instead of passing data through components → Zustand keeps the data in one shared store that every component can use directly. This made my code: ✔ Cleaner ✔ More scalable ✔ Easier to manage I really enjoy discovering tools like this because they show me how real-world React applications are structured. Still learning, still building, and getting better every day 💻 #ReactJS #Zustand #FrontendDevelopment #JavaScript #WebDevelopment #LearningInPublic

Redux vs Zustand: Which One Should You Use? For years, Redux has been the standard way to manage state in React apps. It’s powerful, predictable, and widely used. But as apps grow, developers often face: Too much boilerplate Long and complicated actions and reducers Steep learning curve Zustand is a lightweight and simple alternative that’s getting popular. Here’s why: Minimal Setup - Create a store and use state anywhere. No actions or reducers required. Easy to Use - Read and update state directly. Flexible - Works with React, plain JavaScript, and server-side rendering. Lightweight - Only 1KB compared to Redux plus middleware. When to choose: Redux - Large apps with complex state or multiple developers, especially if you need middleware and devtools. Zustand - Small to medium apps, prototypes, or projects where simplicity matters. In short, Redux is the heavyweight, perfect for big, complex projects. Zustand is the nimble sprinter, fast, simple, and modern. Which one will you pick for your next React project? #ReactJS #Redux #Zustand #JavaScript #Frontend #WebDevelopment #StateManagement

🚀 Stop re-rendering your entire React app — here's why it's hurting you. One of the most common mistakes I see in React codebases is placing state too high in the component tree. When state lives at the top, every tiny update triggers a cascade of re-renders — even for components that don't care about that change. Here's what I do instead: ✅ Co-locate state — keep state as close to where it's used as possible. ✅ Use React.memo wisely — memoize components that receive stable props. ✅ Split context — separate frequently changing data from static config. ✅ Reach for useMemo & useCallback — but only when profiling confirms it helps. The result? A snappier UI, cleaner architecture, and fewer mysterious bugs. The React team built these tools for a reason — it's just about knowing when and where to apply them. 💬 What's your go-to trick for keeping React apps performant? Drop it in the comments — I'd love to learn from you! #React #WebDevelopment #Frontend #JavaScript #SoftwareEngineering

⚛️ Learning React Hooks - useState I recently explored one of the core concepts of React — Hooks (useState) — and applied it by building a simple Counter App. Here’s what I implemented: ✔️ Managed state using useState ✔️ Built increment & decrement functionality ✔️ Added boundary conditions (0 to 20 limit) ✔️ Understood how React re-renders on state updates Code snippet: let [counter, setCounter] = useState(0); const addValue = () => { setCounter(counter + 1); }; const removeValue = () => { setCounter(counter - 1); }; 💡 This project helped me clearly understand how state works in React and why hooks are so powerful for building interactive UIs. #ReactJS #JavaScript #WebDevelopment #FrontendDevelopment #ReactHooks #LearningInPublic

🚀 Just built a Redux Todo App — leveling up my React skills! I’ve been diving deeper into state management, and this project helped me truly understand how Redux Toolkit works in real-world applications. ✨ What I built: A clean and responsive Todo application where users can manage their daily tasks efficiently. 🔥 Features: ➕ Add new todo ✏️ Edit existing tasks 🗑️ Delete todo 📋 Centralized state using Redux 🧠 What I learned: ✔ How Redux store manages global state ✔ Creating slices (actions + reducers) ✔ Using useDispatch & useSelector ✔ Writing cleaner and scalable React code ⚙️ Tech Stack: React JS ⚛️ Redux Toolkit 🧠 Bootstrap 🎨 This project may look simple, but it gave me a strong foundation in state management, which is essential for building scalable apps. A huge thank you to my mentor Sonia George madam for the support throughout and guidance 💻 GITHUB :[https://lnkd.in/gVGVqpUQ] 🌐 LIVE DEMO[https://lnkd.in/gG2ET-eh] #ReactJS #Redux #WebDevelopment #FrontendDeveloper #JavaScript #100DaysOfCode