Topic 21224 min readStructured Tutorial
React Performance Optimization: Virtualization
Quick Answer
Virtualization in React improves performance by rendering only the visible portion of large lists or tables, reducing DOM nodes and memory usage. This technique speeds up rendering and scrolling, making apps more responsive and efficient.
Learning Objectives
- Understand the concept of virtualization in React.
- Learn why virtualization improves performance in large lists.
- Implement virtualization using popular libraries like react-window.
Introduction
Rendering large lists or tables in React can cause performance issues due to the heavy load on the DOM.
Virtualization is a technique that optimizes rendering by only displaying items visible in the viewport, improving speed and responsiveness.
Render only what you see.
