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Creating mobile Web applications with HTML 5, Part 2: Unlock local storage for mobile Web applications with HTML 5

henrik — Mon, 13 Jun 2011 11:32:39 GMT

One of the most useful new features in HTML 5 is the standardization of local storage. Finally, Web developers can stop trying to fit all client-side data into 4 KB Cookies. Now you can store large amounts of data on the client with a simple API. This is a perfect mechanism for caching, so you can dramatically improve the speed of your application—a critical factor for mobile Web applications that rely on much slower connections than their desktop brothers. In this second article in this series on HTML 5, you will see how to use local storage, how to debug it, and you will see a variety of ways to use it to improve mobile Web applications.

Enable HTML5 Offline Web Application with Dojo 1.7 (Web 2.0 and Mobile Development Community)

henrik — Mon, 10 Oct 2011 15:21:18 GMT

HTML5 offline web application is a wonderful technology that let web applications work without network connection, which is especially useful for mobile web applications since wireless network is not as stable as wire network is. According to W3C specification of offline web application, developers needs to provide a manifest file if they want to enable the offline cache capability. The manifest file lists all the resources that will be offline cached and needs to be referenced in HTML page like this. The cache.appcache needs to be served as “text/cache-manifest” content-type and the browser will fetch all of the resource files in the manifest during the first load or whenever the content of manifest is updated.

Generating HTML5 AppCache Manifests with Fiddler - Fiddler Web Debugger - Site Home - MSDN Blogs

henrik — Wed, 01 Feb 2012 15:00:53 GMT

HTML5 introduces the concept of an Application Cache, which allows a web developer to provide a manifest of pages that should be cached to permit offline use. You can see an instance of AppCache over on the IETestDrive site; if you examine the markup, you can find that the HTML tag contains a manifest attribute which specifies the URI of the AppCache manifest.

HTML5 Rocks - A Beginner's Guide to Using the Application Cache

henrik — Wed, 01 Feb 2012 14:59:53 GMT

It's becoming increasingly important for web-based applications to be accessible offline. Yes, all browsers have caching mechanisms, but they're unreliable and don't always work as you might expect. HTML5 addresses some of the annoyances of being offline with the ApplicationCache interface.