Frontend2025-10-258 min read

Building Responsive Web Applications with React 18

ReactJavaScriptWeb Development

Building Responsive Web Applications with React 18

Introduction

React 18 introduces several groundbreaking features that significantly improve how we build responsive web applications. In this blog, we'll explore these features and how they can transform your development workflow.

Concurrent Features

The most talked-about feature in React 18 is concurrent rendering. This allows React to prepare multiple versions of your UI simultaneously, enabling smoother interactions and animations.

import { startTransition } from 'react';

function handleClick() {
  startTransition(() => {
    setValue(e.target.value);
  });
}

Automatic Batching

React 18 automatically batches updates for better performance, even across promises, setTimeout, and event callbacks.

Suspense Improvements

Suspense now works with server-side rendering, making it easier to handle loading states in your applications.

Transitions

Transitions help distinguish between urgent and non-urgent updates, allowing React to prioritize what matters most to the user experience.

Conclusion

React 18 represents a significant step forward in making web applications more responsive and user-friendly. By leveraging these new features, developers can create applications that feel fluid and natural, even on less powerful devices.