This guide is aimed at people who are new to WebSocket, or just wish to know more about what’s under the hood. I have been at Pusher for almost 6 months and, mainly working on customer-facing developer work, parts of our deeper infrastructure have seemed a bit of a black box to me. Pusher, a message service that lets you send realtime data from server to client or from client to client, has the We
![WebSockets From Scratch | Pusher blog](https://cdn-ak-scissors.b.st-hatena.com/image/square/7c9d549a413173ac94a1d4be645f86222b844ba7/height=288;version=1;width=512/https%3A%2F%2Fpusher-cms.s3.eu-west-2.amazonaws.com%2Fblog%2Fblog_header_20_eadb2e581b.png)