Category Archives: Screen Readers

Testing and debugging iOS accessibility for VoiceOver

When you build an iOS app it’s easy to make it VoiceOver accessible. Native UI controls have accessibility built-in as standard, and custom controls can be accessibility-enabled without difficulty.

Posted in Accessibility, accessibility testing, Apple, Assistive Technology, iPhone, mobile, Screen Readers, tools, VoiceOver | 1 Comment

HTML5 Accessibility Chops: ARIA role=alert browser support

ARIA role=alert is supported across modern browsers and assistive technology, but implementation in browsers differ, which can lead to role=alert appearing to be unsupported.

Posted in accessibility testing, Assistive Technology, CSS, Firefox, HTML, HTML5, Internet Explorer, JavaScript, JAWS, live regions, MSAA, NVDA, Safari, Screen Readers, WAI-ARIA, Web Accessibility | 17 Comments

Open letter to Opera re: Accessibility Support

The latest Opera browser has been released; Opera 12. In many ways Opera is a great browser and Opera 12 includes lots of shiny new stuff, but still no support for assistive technology (AT) users. Opera excels in implementing HTML5 … Continue reading

Posted in Assistive Technology, HTML5, IAccessible2, Opera, Screen Readers, WAI-ARIA, Web Accessibility | 18 Comments

HTML5 Canvas Accessibility in Firefox 13

The recently released Firefox 13 implements the HTML5 specification’s canvas element fallback concept. This means that the content inside a canvas elements start and end tags is exposed to assistive technology users even when the browser supports canvas. It also … Continue reading

Posted in Accessibility, Assistive Technology, canvas, Firefox, HTML5, Internet Explorer, Screen Readers, Web Accessibility | 5 Comments

Firefox 14: image long description via link using aria-describedby

In his latest article Mozilla accessibility engineer Alexander Surkov describes an interesting implementation development in FireFox 14, which is a possible solution using ARIA to provide a link to a long description on an image:

Posted in Firefox, HTML5, Screen Readers, WAI-ARIA, Web Accessibility | 6 Comments