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Web Systems and Technologies

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Web Accessibility Initiative's Accessible Rich Internet Applications: Bridging Technology
Shelia S Bradley
IT3210
Web Systems and Technologies

Dr. Azad Ali
26 January 2014 Web Accessibility Initiative’s Accessible Rich Internet Applications (WAI-ARIA) is a technical guide published by the World Wide Web that is typically supposed to make web content and web applications more accessible by people with disabilities. It acts as a bridge between the web content and applications and technology giving the two the availability to exchange messages easily. The purpose that ARIA was created was so that developers can use the latest web technologies to make sure that people with disabilities are able to use the assistive technology products to access the content on their web pages. New technology allows the use of dynamic content that allows web pages to constantly update and refresh, such as weather updates for the local news websites, bank account balances for online banking, stock market data, and sports scores for sports sites like ESPN. There are many features of WAI-ARIA that gives more control to the web page developers by allowing them to specify different features on the document such as ‘banner’, ‘menu’, ‘navigation’, and ‘search’. These tags give the user the ability to determine what information the tags may provide without having to guess and eliminating the need to have to search the entire page until they find the information needed. According to Henry (2013), WAI-ARIA also includes technologies to map controls and provides web authors with the following: * Roles to describe the type of widget presented, such as ‘menu,” “treeitem,” “slider,” and “progressmeter” * Roles to describe the structure of the web page, such as headings, regions, and tables (grids) * Properties to describe the state widgets are in such as “checked” for a check box, or “haspopup” for a menu. * Properties to define live regions of a page that are likely to get updates (such as stock quotes), as well as interruption policy for those updates. * Properties for drag-and-drop that describe drag sources and drop targets * A way to provide keyboard navigation for the Web objects and events, such as those mentioned above

Reference(s):
Henry S. L. (2013). Web Accessibility Initiative: WAI-ARIA Overview. http://www.w3.org/WAI/impl/. Assessed 26 January 2014.

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