ReactJS

The Latest on ReactJS

Next.js Cache Components: Decide What to Cache Before You Migrate

Learn how to set cache boundaries, freshness rules and mutation tests before migrating an App Router app to Cache Components.

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Collaborative Editing in React: CRDTs, Yjs and Architecture

Build collaborative editing into a React app with Yjs. Learn how CRDT merging, editor bindings, permissions, persistence and offline recovery fit together.

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React and Next.js Image Loading: A Practical LCP Guide

Improve React and Next.js image loading by tracing LCP, choosing hero loading priorities, setting responsive sizes and checking results in the browser.

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CVA vs Tailwind Variants: Choosing a React Styling API

Compare CVA and Tailwind Variants for React components, including button recipes, multi-part fields, class overrides and a practical migration decision.

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Shopify is moving back to native. React Native isn’t dead.

Shopify’s move to Swift and Kotlin doesn’t mean React Native failed. It shows how coding agents are changing mobile architecture economics.

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What Is Convex? A Complete Guide to the Reactive Backend Platform

Convex is a backend platform for TypeScript applications that combines a database, server functions, and reactive queries. Learn how it keeps subscribed clients in sync, where that helps real-time applications, and what to consider before adopting it.

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Why Some Developers Are Growing Skeptical of React - Understanding the Community Tensions in 2025

React’s dominance in frontend development faces growing skepticism in 2025 due to complexity, performance, ecosystem fragmentation, and governance concerns. Yet AI tools and a vast ecosystem sustain its use. Learn how to weigh React vs. lighter alternatives based on your project needs.

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Patterns for TailwindCSS usage in ReactJS

Master Tailwind CSS in React with this comprehensive guide! Learn setup, utility class usage, dynamic theming, JIT compilation, smart purging, and integrating with Next.js Server Components. Boost your app’s performance and keep styles lean as your project scales.

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Advanced Guide on React Component Composition

Master React component composition with this comprehensive guide: learn “Thinking in React,” core patterns like children, render props, HOCs, and compound components, plus advanced techniques including performance tweaks, server components, dynamic slots, and custom hooks for scalable, maintainable apps.

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The ultimate guide to React Server Actions

Discover how React Server Actions are revolutionizing data mutations in Next.js by enabling secure, server-run async functions without extra API routes. Learn to extend them with custom hooks, error handling, optimistic updates, and third-party integrations for seamless, robust workflows.

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Guide to Automatic Batching in React 18

Discover how React 18’s automatic batching optimizes state updates by grouping them into fewer renders—boosting performance and smoothing UI. Learn best practices, use `startTransition` and `flushSync` to control updates, avoid pitfalls with third-party libs, and leverage tools for efficient debugging.

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WebAssembly & React: When & How to Use WASM in 2025 Applications

Explore when WebAssembly belongs in a React app and how to load a WASM module with browser APIs and React hooks. The guide also covers plugin-style modules, type-safe interfaces, server-side use, security, and build tooling.

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State Management Trends in React 2025: When to Use Zustand, Jotai, XState, or Something Else

Master React state management in 2025 with this comprehensive guide covering built-in hooks, core libraries like Redux and Zustand, emerging server and concurrent patterns, micro-frontend strategies, plus advanced tactics to keep your React state fast, maintainable, and scalable.

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Leveraging TypeScript, Form Status, Optimistic UI, and New Hooks in React 19

Discover React 19’s powerful updates—from built-in document metadata and improved style loading to seamless Web Components support. Learn how new hooks enable optimistic UI, advanced TypeScript inference, accessible forms, and secure server actions to build faster, robust apps.

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Infinite Scroll and Streaming Data with TanStack Query + React 19

Master infinite scrolling in React using TanStack Query’s `useInfiniteQuery` hook. Learn to handle loading, errors, debug pagination, and apply advanced techniques like concurrent rendering, real-time updates, memory management, accessibility, and SEO-friendly server-side rendering.

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Composable Form Handling in 2025: React Hook Form, TanStack Form, and Beyond

Discover the top React form libraries for 2025 and learn how to pick the perfect one for your project. Explore cutting-edge techniques like composable state with Zustand, React Server Components, WebAssembly validation, AI-assisted form building, accessibility, and security best practices to build fast, robust forms.

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Next.js for Enterprise Applications: Why CTOs Choose It Over Alternatives

Discover why Next.js is the preferred framework for enterprise applications. From blazing-fast performance and seamless scalability to robust security and easy maintainability, this guide covers advanced features and strategies that empower large organizations to build, scale, and secure modern web apps efficiently.

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From MVP to Scale: How ReactJS Development Agencies Support Growth

Discover how ReactJS development agencies turn your MVP into a scalable, high-performance app. Learn about design systems, cloud deployment, internationalization, PWAs, real-time features, testing, accessibility, cost optimization, and data-driven growth strategies for lasting success.

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ReactJS Outsourcing for Rapid Prototyping: Benefits and Pitfalls

Discover how outsourcing ReactJS development accelerates rapid prototyping with cost efficiency, specialized skills, and AI-powered tools. Learn to avoid common pitfalls, secure your IP, choose the right vendors, and build a scalable, high-performance app ecosystem from prototype to production.

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Why ReactJS Is Ideal for Building Scalable SaaS Platforms

Discover why ReactJS is the top choice for building scalable, high-performance SaaS platforms. Learn how its Virtual DOM, component reusability, vast ecosystem, and advanced patterns enable responsive UIs, SEO-friendly apps, and maintainable code for growing SaaS products.

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ReactJS Code Reviews: Why an External Audit Can Save Your Project

Unlock the full potential of your React project with an external code audit. Discover how outside experts catch hidden bugs, optimize performance, ensure compliance, and reveal architectural and security gaps your team might miss—boosting quality, scalability, and developer growth.

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Modernizing Enterprise Portals with ReactJS and TypeScript

Discover how to transform outdated enterprise portals into agile, secure platforms that enhance user experience and scalability. Learn proven modernization strategies, tech stacks, migration tactics, and cutting-edge features like AI personalization and real-time analytics to future-proof your portal.

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ReactJS Experts for Real-Time Chat Applications: Best Practices

Learn how to build a scalable, reliable React chat app from setup to advanced features. Master real-time messaging, state management, performance optimization, accessibility, security, offline support, and AI integrations to create a chat system that serves from small groups to millions.

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Migrating KnockoutJS Web Apps to ReactJS

Discover a comprehensive roadmap to migrate from KnockoutJS to React with confidence. Learn step-by-step how to convert observables, integrate React incrementally, handle routing, validation, performance, and testing—empowering your team to build maintainable, modern React apps.

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Educational Platforms Built with ReactJS: A Developer’s Perspective

Discover how ReactJS powers scalable, inclusive e-learning platforms with fast rendering, reusable components, and advanced features like micro-frontends, real-time classes, offline access, accessibility, and global localization. Build the future of digital education today.

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React Compiler: What you need to know about Automatic Memoization

Discover how React’s new Compiler automatically memoizes components by analyzing purity at build time to skip unnecessary renders. Learn when to use manual memoization, how effects and hooks are optimized, and how to inspect decisions in DevTools. Start boosting app performance today!

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Migrating from Ember to ReactJS in 2025: The CTO's manual

Ready to migrate from Ember to React in 2025? This comprehensive guide walks you through auditing your Ember app, training your team, leveraging React 19’s latest features, planning a phased rollout, managing risks, and measuring success—all to modernize your stack efficiently and confidently.

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React Server Components in Next.js: When and Why to Use Them

Master React Server Components in Next.js with this deep dive guide. Learn setup, fine-grained caching, streaming with Suspense, secure data fetching, server actions, and type-safe co-location to build faster, safer, and more maintainable React apps.

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Migrating from Vue.js to React: A CTO’s Guide

Decide whether a Vue-to-React migration is justified, scope a first working slice and plan coexistence, testing and rollback. Learn where Vue and React patterns differ and how to evaluate a delivery partner.

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Migrating from Angular to ReactJS in 2025: A CTO’s Migration Blueprint

Planning to modernize your app? Discover how to migrate from Angular to React in 2025 with this comprehensive guide. Learn to choose the best strategy, manage costs, bridge frameworks, port design systems, rebuild features, mitigate risks, and empower your team for a seamless transition.

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The history of Single Page Apps: From jQuery to React

Explore the evolution of single-page applications (SPAs) from full-page reloads to dynamic, mobile-friendly web experiences. Discover key technologies, frameworks, performance boosts, and solutions to SEO and accessibility challenges that shaped modern SPAs and their future potential.

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Why We’re Still Betting on ReactJS in 2025

Discover why React continues to dominate web development in 2024. Explore its core strengths like component-based design, emerging trends such as micro-frontends and WebAssembly integration, plus its vast ecosystem powering top apps—from e-commerce to finance and mobile.

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React Native vs Web Apps: Which Should You Build?

Choose between React Native, a web app and React Native Web. Compare device access, SEO, offline use, delivery costs and long-term maintenance.

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The Hard and Soft Skills a React Developer Should Have

Discover the essential React developer skills for 2025, from mastering JavaScript fundamentals to advanced techniques like TypeScript, SSR, and performance optimization. Learn which technical and soft skills recruiters value to boost your career and build standout React apps.

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Migrating from NextJS to Astro: Step by Step Guide

Ready to migrate your Next.js project to Astro? This comprehensive guide covers everything—from setup and page migration to advanced topics like API routes, internationalization, SEO, CMS integration, and large-scale strategies—empowering you to build faster, leaner web apps with Astro’s island architecture.

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Develop AR/VR with React

Discover how to build immersive VR and AR experiences using React. This guide covers setting up your environment, crafting interactive 3D scenes with React Three Fiber, optimizing performance, managing state, and adding advanced features like real-time collaboration and accessibility support.

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Strategies for migrating from Angular to ReactJS

Plan an Angular-to-React migration around business goals, technical constraints and a safe rollout. Compare migration approaches, translate key patterns, estimate the work and define acceptance criteria before committing to a rewrite.

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Choose the Right ReactJS Development Partner

By the end of this guide, you’ll know exactly what to look for in a React.js agency—from core skills and emerging best practices to pricing models and post-launch support—so you can make a confident choice.

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The Role of React.js in Modern E-commerce: Faster, Smarter, Better

E-commerce has come a long way from clunky online stores that took forever to load. In today’s digital landscape, speed, user experience, and scalability define success. If your online store isn’t fast, intuitive, and optimized, you’re losing customers—probably to a competitor who understands this better.

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React vs. Next.js: Which One is Right for Your Web App?

Choosing the right framework for your web application can feel like picking between two excellent but slightly different tools. If you’re planning to build a web app, chances are you've come across React and Next.js. Both are popular, both are powerful, and both can help you build amazing applications. But which one is the right choice for your project?

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SIVONIC: A Smarter Web App for Electrochemical Analysis

SIVONIC designs cutting-edge impedance spectrometers for electrochemical impedance spectroscopy (EIS), with their flagship EIS meter controlled through a built-in desktop interface and a browser-based application. Their technology delivers precision and power—but the user interface lagged behind. They partnered with us to give their web app the same high-performance edge their hardware provides: modern, responsive, intuitive, and ready for the demands of today’s scientific workflows.

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Building Scalable Web Apps with Next.js: A CTO’s Guide

Scalability is no longer optional—it’s the make-or-break factor for modern web apps. In this guide, we’ll show CTOs how to leverage the flexibility and performance of Next.js to build apps that scale smoothly with user growth, evolving requirements, and business goals.

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How to Hire React Native Developers: A Buyer’s Guide

Hire React Native developers with confidence. Compare freelancers and agencies, assess delivery evidence, and check testing, costs, maintenance and ownership.

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Hiring a Next.js Developer: A Complete Guide for Businesses

Discover what to look for when hiring a Next.js developer and how to build a high-performance web team.

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Understanding React.js: Why It Matters in Web Development

What does React do in web development? See how its reusable components support interactive web apps, where the approach helps, and what React does not provide on its own.

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Why NextJS for your Website or Web Application

Why are leading companies choosing NextJS as their web framework? Kalle drills into the details from a business perspective.

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Tailwind CSS vs CSS Modules vs Styled Components

Compare Tailwind CSS, CSS Modules, and styled-components to find the best fit for your project. Explore key trade-offs in design systems, SSR, theming, performance, type safety, scalability, and migration strategies to choose the right styling approach for your team and product needs.

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Get your ReactJS app in front of customers in weeks, not months

Kalle stresses the fact that productive React developers are great listeners that understand your business and empathize with your clients, and use tools they're well acquainted with, and work in small kick-ass teams.

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Why Your Business Should Consider React Native for App Development

Choosing the right tech for your app is daunting task – especially with so many options. React Native has emerged as one of the most popular platforms for app development

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FLIP animation in React

First, Last, Invert and Play - aka FLIP animations. It's a cool technique you can leverage to do smooth animations used in libraries like Framer, and enables animating CSS layouts like flex and grid.

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ReactJS 3d Map DataViz with DeckGL: Flights of Berlin

Kalle created a nice 3d map visualisation of flights coming in and out of Berlin. It's based on raw data from OpenSky and the visualisation is done with DeckGL on top of ReactJS.

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A look inside React Fiber

Korneliusz did a deep dive into React Fiber before it was cool. This seminal article is an in-depth analysis of the topic and goes down into the nitty gritty of concurrent rendering in React, including the source code itself.

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