React Unity WebGL provides an easy solution for embedding Unity WebGL builds in your React application, with two-way communication between your React and Unity application with advanced API's.
A better approach to game design that allows you to concentrate on the actual problems you are solving: the data and behavior that make up your game. By moving from object-oriented to data-oriented design it will be easier for you to reuse the code and easier for others to understand and work on it.
Unity Web Sockets provides a wrapper for using Web Sockets, an advanced technology that allows real-time interactive communication between the client browser and a server. It uses a completely different protocol that allows bidirectional data flow, making it unique against HTTP.