Socket.IOBidirectional and low-latency communication for every platform PerformantIn most cases, the connection will be established with WebSocket, providing a low-overhead communication channel between the server and the client. ReliableRest assured! In case the WebSocket connection is not possible, it will fall back to HTTP long-polling. And if the connection is lost, the client will automatical
![Socket.IO: the cross-browser WebSocket for realtime apps.](https://cdn-ak-scissors.b.st-hatena.com/image/square/8eb58e9b8c4c52bfc7e9433157a13d54886c7056/height=288;version=1;width=512/https%3A%2F%2Fsocket.io%2Fimages%2Ffavicon.png)