WebSocket facilitates complete duplex communication between the client and server. HTML5 made it possible to create enterprise-level applications considering the important parameters related to application maintainability. All these enhanced features help developers to remove the dependency on different plugins. Starting with the basics of HTML5, you will work your way through the process of implementing different applications using WebSockets and HTML5 using the Node.js server. You will explore how to use WebSockets on the mobile and tablet platforms and build a real-time drawing application in HTML5 utilizing WebSockets.