For seven years, progressive enhancement has been how we build sustainable, interoperable, and accessible web solutions. Now that the release of ARIA is approaching, let's see how ARIA fits within progressive enhancement strategy. Can we use ARIA in a way that respects progressive enhancement? Can we use ARIA in ways that ensure we have a working solution at every level?
Web developers interested in accessibility issues often look to WAI-ARIA to bridge the accessibility gap created by ubiquitous scripting and make web applications more accessible to blind and visually impaired users. But can we recommend WAI-ARIA without reservation? Are there times when appropriate semantic HTML elements are preferable to custom widgets?