How does React improve the performance of web applications? – Lemon.io

The question is about react
Answer:

React optimizes the performance of web applications by making use of a virtual DOM; hence, it reduces the amount of changes it makes on the actual DOM. It minimizes time spent rendering and resources utilized in rendering updates since React will only update those components that have changed. This leads to faster and more responsive user interfaces. Besides that, it allows developers to load parts of an application that are in use at a certain moment by splitting the code and making lazy loading work.

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