What’s the difference between engine.io and socket.io?
engine.io is a lower level library than socket.io. Engine is to Socket.IO what Connect is to Express. If you want the lower level abstraction, use engine.io. If you want a websocket abstraction, keep using socket.io. engine.io is of more interest to you if you’re building a library/framework on top of socket.io. socket.io is of more … Read more