Getting Started with HTML5 WebSocket Programming

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9781782166962: Getting Started with HTML5 WebSocket Programming

Develop and deploy your first secure and scalable real-time web application


  • Start real-time communication in your web applications
  • Create a feature-rich WebSocket chat application
  • Learn the step-by-step configuration of the server and clients

In Detail

WebSockets are capable of bi-directional, full-duplex communication over a persistent TCP connection They provide many benefits compared to the alternatives (for example, long-polling or Comet), such as lower overhead, persistent connections, and low latency. In short, it is the most technically challenging HTML5 feature to implement, but for truly interactive websites, it's a technology worth learning.

Getting Started with HTML5 WebSocket Programming gives you the true power of bi-directional communication, implemented by using the brand new HTML5 WebSocket API. You’ll learn how to configure the server and clients, how to transmit different types of data and how to secure the whole system.

This book will introduce you to the WebSocket world. We start by introducing the WebSocket API, and continue with practical, real-world examples until we can determine how to build multi-functional web apps for any type of device.

You will learn how to configure a web client and a web server that will help you send messages to others using easy-to-use mechanisms. We will also find out how different data types, such as images and videos, can be transferred with little effort. We present additional fallback techniques and solutions for older browsers too. Finally, we will secure our clients from malicious attacks and other threats.

What you will learn from this book

  • Understand the concepts of the WebSocket API and why it is superior to the existing techniques
  • Implement a WebSocket client that will connect to a remote server and transmit messages to other clients
  • Configure a WebSocket server using your existing skills and knowledge
  • Implement native WebSocket clients for mobile and tablet devices
  • Support older browsers that do not support HTML5 WebSockets


Getting Started with HTML5 Websocket Programming takes a tutorial-based approach.

Who this book is written for

This book is for anyone who wants to build high-performance, true, real-time web applications. Being familiar with frontend web development (HTML / XHTML, JavaScript) would be ideal.

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About the Author:

Vangos Pterneas

Vangos Pterneas is a software engineer, passionate about natural user interfaces and modern innovative technologies. He loves developing smart clients for the Web and mobile devices. His professional experience includes iOS, Windows, Kinect, and HTML5 development for small and large-scale systems.

Vangos has worked as a software engineer and consultant for Microsoft Innovation Center, where he participated in EU research projects and performed numerous technical presentations and workshops. He is now running his own company, LightBuzz Software, introducing new concepts and software to the public. LightBuzz applications have won the first place in Microsoft’s worldwide innovation competition, held in New York, and also the first place in TEDx’s Rising Stars program.

Apart from this book, Vangos has reviewed Augmented Reality with Kinect, published by Packt Publishing.

When Vangos is not coding, he loves blogging about technical stuff and providing the community with open-source utilities (

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