PUBLIC MARKS with tags accessibility & ajax

Traduction de l’article “Introduction to WAI ARIA“, publié par Gez Lemon sur Dev Opera, le site d’Opera Software destiné aux développeurs.

Web 2.0 sites may be slick and easy to use for most people, but such sites often lack accessibility support, making them difficult, if not impossible, to use with screen readers and other assistive technologies. In an effort to improve accessibility on AJAX-heavy websites, Google recently released the framework behind the new Google Reader tools as an open source project dubbed AxsJAX. The code has been reworked and most of the Google-specific features removed, which means it should work for just about any site that chooses to use it.

Popular screen readers use a virtual buffer to allow users to interact with web content. This article uncovers undocumented behaviour in JAWS 7.1 and later, which allows web developers to build Ajax applications that update the virtual buffer without any interaction from the user

Le W3C publie une suite de documents pour permettre aux développeurs de créer du contenu Web enrichi et accessible aux personnes handicapées avec les technologies telles qu'AJAX ou DHTML

The Roadmap for Accessible Rich Internet Applications (WAI-ARIA Roadmap) addresses the accessibility of dynamic Web content for people with disabilities. The roadmap outlines the technologies to map controls, AJAX live regions, and events to accessibility APIs, including custom controls used for Rich Internet Applications. The roadmap also outlines new navigation techniques to mark common Web structures as menus, primary content, secondary content, banner information and other types of Web structures. These new technologies can be used to improve the accessibility and usability of Web resources by people with disabilities, without extensive modification to existing libraries of Web resources.