Embedded Ajax Web 2.0 Optimzed for Mobile Devices
Shortly after Tim O’Reilly (the founder and CEO of O’Reilly Media) published his paper What is Web 2.0 [1] in 2005, the term Web 2.0 came to define the next-generation of the Web and the Web also became widely recognized as a next-generation service framework based on the view of the Web as a platform. Today, Web end-users can experience many new and innovative Web services, powered by Web 2.0 applications, which feature rich user-interfaces and advanced functionality accessed via the Web browser on their desktop PCs.
It can be said that the most compelling Web 2.0 technology is Ajax (Asynchronous JavaScript and XML) [2]. Jesse James Garrett of Adaptive Path first introduced the term Ajax in February 2005. Ajax is an open-standard Web development technique that uses a combination of XHTML, CSS, and JavaScript to enable the creation of highly efficient interactive Web applications. Ajax leverages the XMLHttpRequest object to support the asynchronous exchange of data between a web server and a client. The asynchronous exchange of data shifts a significant amount of application functionality from the Web server to the client, which means that Web pages do not have to be completely reloaded for each end-user interaction. Ajax enables Web 2.0 applications like GoogleT GmailT, Google Suggest, Google Maps, Amazon’s A9.com search engine and Yahoo!’s Flickr.com to deliver a rich end-user experience with seamless functionality.
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Advanced Web browsers with PC-like browsing capabilities are becoming increasingly popular on mobile devices. This growing popularity means that Web 2.0 applications that use Ajax will also soon become popular throughout the mobile world. It is important to note that Ajax is not only an asynchronous data retrieval technique using XMLHttpRequest, it is also a method for utilizing a narrow bandwidth and limited memory to its maximum extent. In other words, Ajax can reduce the amount of data transferred between a Web server and client device, which, in theory, means that it should be possible to use the same Web 2.0 applications for PCs and for mobile devices. This directly brings into question the need for an “Embedded Ajax” solution specifically adapted for mobile devices. Wouldn’t using Ajax to build Web applications for mobile devices be enough?
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Tags: Ajax, Embedded, Mobile Device, Web
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