AI Coding in React: What You Still Need to Know

AI tools like Cursor and Copilot make React development faster, but your React knowledge determines how good the output is. Here's what you need to know.

React Server Components in Practice: Patterns and Pitfalls

Practical patterns for React Server Components: where to place the server/client boundary, composing Server and Client Components, avoiding data fetching waterfalls, streaming with Suspense, serialization rules, and common pitfalls.

React Docs Refresh: useActionState and useOptimistic

The React docs for useActionState and useOptimistic have been rewritten with clearer naming, new interactive sandboxes, and patterns from simple pending states to shopping carts with error recovery. Here's what changed and why it matters.

Breaking Down State of React 2025 Results

The State of React 2025 survey results are out. Explore what developers said about hooks, APIs, frameworks, React Server Components, and the tools shaping the React ecosystem today.

What's New in React 19.2

Learn what's new in React 19.2: Activity for state-preserving UI, useEffectEvent for cleaner effects, compiler-powered ESLint rules, and Performance Tracks in DevTools.

React Compiler: No More useMemo and useCallback

React Compiler automatically optimizes your components at build time. No more useMemo, useCallback, or React.memo. Learn how to set it up and what you need to know.

Starting a React Project? shadcn/ui, Radix, and Base UI Explained

Understand unstyled component libraries, compare Radix and Base UI, and learn how shadcn/ui and shadcn/create help you build React apps your way.

Controlled vs Uncontrolled Components in React

Understanding controlled vs uncontrolled in React is about one question: who owns the state? Learn both meanings for form inputs and component design patterns.

React Free Weekend: 48 hours of Open Access to Premium React Certification Training

Every year, we at Certificates.dev look for ways to make our certifications more accessible - not just for teams inside big tech companies, but for every developer who wants to validate their skills through real-world, hands-on learning. That’s why we are excited to announce our first-ever React Free Weekend, taking place on November 15–16, 2025.