5 React performance optimization techniques

React uses the concept of a virtual DOM to minimize the performance cost of rerendering a webpage because the actual DOM is expensive to manipulate. This concept can also slow down a complex app if it’s not managed very well. We will discuss five important ways to optimize the performance of a React application. These include:Keeping component state local where necessary to prevent unnecessary rerenders.Code-splitting in React using dynamic import().Windowing or list virtualization in React.Lazy loading images in React