It is used to improve the UI and enhance the client user experience. ReactJS is most widely used because it is used to create single-page applications. … Difference between ReactJS and Bootstrap : S.No.ReactJSBootstrap5.It is developed by Facebook and the community.It is developed by Mark Otto and Jacob Thornton.Difference between React.js and Bootstrap – GeeksforGeeks www.geeksforgeeks.org › difference-between-react-js-and-bootstrap