Opera accessibility Henny Swan [email_address] Twitter: @iheni

Why bother? It costs money... It only serves a small market... Blind people don’t browse car websites... It makes developers go insane...

Screen readers are the poster child of accessibility But that’s not even half the story

Vision, cognition, mobility and hearing Temporary disabilities (RSI, broken wrist...even hangovers) and you... Mobile users Children

No one plans on dying young right? The aging market is only going to get bigger You are that market

Shopping, banking, e-gov, TV Blogs, Twitter, photo sharing, IM via desktop, mobile, devices

So how do we make accessible sites? HTML: text alternatives and semantic mark up CSS: separation of content and presentation JavaScript: progressive enhancement, accessible Rich Internet Applications

WCAG 2.0: technology agnostic test criteria Combine with user testing Validate Section 508 (US), UK Government Guidlines, EU directives and more

Text JavaScript is the work of the devil right? Not so...

WAI-ARIA to the rescue! Web Accessibility Initiative Accessible Rich Internet Applications

Sexy keyboard and screen reader accessible widgets Makes HTML dynamic Supported by Opera 9.5+, FF 1.5+, IE8 and Safari 4 Jaws 7.1+, WindowEyes 5.5+, NVDA, and Firevox

WAI-ARIA: Role and state Role : I am a slider , therefore I slide State : Feeling pretty good actually <input type=&quot;image&quot; src=&quot;thumb.gif&quot; alt=&quot;How are you doing?&quot; role =&quot;slider&quot; aria-valuemin=&quot;terrible&quot; aria-valuemax=&quot;excellent&quot; aria-valuenow=&quot; good &quot; ...aria-labelledby=&quot;leffective&quot;>

WAI-ARIA: Landmark roles Define areas of a web page <div role=&quot; banner &quot;> ... </div><div role=&quot; navigation &quot;> ...</div> <div role=&quot; main &quot;>... </div> </div>

WAI-ARIA: Live regions Notifies users of page updates polite assertive RUDE

Opera Tools

Opera Debug menu Enable and disable CSS, JavaScript, images, multimedia Check headings, lists data tables and semantic markup Mobile view Mobile view

Opera Dragonfly JavaScript debugger DOM / CSS inspection Error console Remote debugging

Opera Dragonfly

Web Standards Curriculum www.opera.com/wsc Opera Developer Network www.opera.com/developer

Thank you and questions [email_address] www.iheni.com @iheni