What are the differences between socket.io and websockets in
node.js?
Are they both server push technologies?
The only differences I felt was,
socket.io allowed me to send/emit messages by spec...

Your app is a hit. Everyone's using your service. You've instrumented your website to collect real time usage data and you've set up a data processing pipeline to work with large amounts of data in real time, but how do you bridge the gap between web page…

A look at WebSockets vs REST, the differences in performance, use cases, and take WebSockets to the next level.

Step-by-step introduction to akka-http and websocket with example how to make multiroom chat.