Part 3 - Concurrent Rendering & Lanes (React 18)

📰 Dev.to · Neha Malvia

Learn how React 18's concurrent rendering and lanes improve performance and efficiency in your applications

intermediate Published 17 Mar 2026
Action Steps
  1. Understand the concept of Fiber and how it broke rendering work into small chunks in React 16
  2. Learn about concurrent rendering in React 18 and how it improves performance
  3. Explore the concept of lanes in React 18 and their role in prioritizing rendering tasks
  4. Build a sample application using React 18 to experiment with concurrent rendering and lanes
  5. Configure and test the application to see the performance improvements in action
Who Needs to Know This

Frontend developers and engineers working with React can benefit from understanding these concepts to optimize their application's performance and user experience. This knowledge is essential for teams building complex and interactive web applications.

Key Insight

💡 React 18's concurrent rendering and lanes enable efficient and prioritized rendering, leading to improved performance and user experience

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🚀 Boost your React app's performance with concurrent rendering and lanes in React 18! 🚀

Full Article

In the previous parts, we saw how Fiber (React 16) broke the rendering work into small chunks. It...
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