Comparison between EventSource and WebSocket encapsulated using HTML5 server-side events

The event source is just a web socket, -

• Unable to send data
• Use text or event stream format
• The events it triggers are server-defined

It is useful in applications that only require server push.

Web Sockets are suitable for applications that require fast two-way communication.

Another major difference is the different security models they use.

Server Sent Events For-

• Live Subscription
• Live Scores
• Stock Market Updates

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