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Peter Lubbers

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Top Stories by Peter Lubbers

Lately there has been a lot of buzz around HTML5 Web Sockets, which defines a full-duplex communication channel that operates through a single socket over the Web. HTML5 Web Sockets is not just another incremental enhancement to conventional HTTP communications; it represents a colossal advance, especially for real-time, event-driven web applications. HTML5 Web Sockets provides such a dramatic improvement from the old, convoluted "hacks" that are used to simulate a full-duplex connection in a browser that it prompted Google's Ian Hickson - the HTML5 specification lead - to say: "Reducing kilobytes of data to 2 bytes...and reducing latency from 150ms to 50ms is far more than marginal. In fact, these two factors alone are enough to make Web Sockets seriously interesting to Google." Let's look at how HTML5 Web Sockets can offer such an incredibly dramatic reduction of... (more)

Using HTML5 Application Cache to Create Offline Web Applications

HTML5 introduces Application Cache, a new feature that enables you to make web apps and sites available offline. The new specification also provides an easy way to prefetch some or all of your web app's assets (HTML files, images, CSS, JavaScript, and so on) while the client is still online. During this caching process, files are stored in an application cache, where they sit ready for future offline use. Compare this to regular browser caching, in which pages that you visit are cached in the browser's cache based on server-side rules and client-side configuration. But-even if w... (more)

Five Signs You Need HTML5 WebSockets

HTML5 WebSocket is an important new technology that helps you build engaging, interactive, real-time web applications quickly and reliably. Sure, HTML5 WebSockets may be the best thing since sliced bread, but is this new technology right for you? This article identifies five types of web applications that will benefit from HTML5 WebSockets. So, without further ado... give me five! The Five Signs Your web application has data that must flow bi-directional simultaneously. Your web application must scale to large numbers of concurrent users. Your web application must extend TCP-bas... (more)