WebSockets being a very powerful way of communication between the client and server, it is really useful for applications which need a lot of server interaction. As WebSockets gives us the benefit of real-time communication, applications that require real-time data transfer, like chatting applications, can leverage WebSockets. It is not only used for real-time communication but also for scenarios where we need only the server to push the data to the client.

The decision to use WebSockets can be made when we know the exact purpose of its usage. We should not use WebSockets when we just have to create a website with static pages and hardly any interaction. We should use WebSockets where the communication is higher in terms of data passing between the client and server.

There are many applications like stock applications where the data keeps updating in real time. Collaborative applications need real-time data sharing, such as a game of chess or a Ping-Pong game. WebSockets is majorly...