WAI-ARIA for screen reader users: An overview of things you can find in some mainstream web apps today

After my recent post about WAI-ARIA, which was mostly geared towards web developers, I was approached by more than one person on Twitter and elsewhere suggesting I’d do a blog post on what it means for screen reader users. Well, I’ve got news for all my blind and visually impaired readers: You’re not getting one […]

Improvements to the handling of the aria-pressed attribute

On Monday this week, Heydon Pickering brought to my attention that Firefox has a problem with the way it handles the aria-pressed attribute in some circumstances. aria-pressed is used on buttons (or elements that have a WAI-ARIA role of “button”) to turn it into a toggle button which can be either pressed or not. Think […]

WAI-ARIA showcase: Microsoft Office web apps

Prompted by the recent Microsoft and GW Micro partnership announcement, I took a long overdue look at Microsoft’s Office 365 product offerings. The Home Premium edition not only gives you five installations of full Office Professional versions in your household, Windows and Mac combined, but also the apps for iOS and Android on up to […]

Sometimes you have to use illegal WAI-ARIA to make stuff work

In this blog post, I’d like to recap an experience I just had while trying to apply some accessibility enhancements to the NoodleApp app.net client. The problem NoodleApp uses keyboard shortcuts to allow users to switch back and forth between posts, messages etc. that are displayed on the screen. Using the j and k keys, […]

Advanced ARIA tip #1: Tabs in web apps

The following article will describe how to properly create accessible tabs in web apps. This is important for both mobile and desktop web applications. Tabs are not native to HTML5, so if you simulate them, you’ll probably use other markup such as lists and list items to generate them. You will have to add WAI-ARIA […]

If you use the WAI-ARIA role “application”, please do so wisely!

This goes out to all web developers out there reading this blog and implementing widgets and other rich content in HTML, CSS and JavaScript! If you think of using the WAI-ARIA role “application” in your code, please do so with caution and care! And here’s why: What is it? “application” is one of the WAI-ARIA […]

From WAI-ARIA to HTML5 and back…or maybe not?

Over the weekend, I gave a presentation at the German Multimediatreff. I talked about how to make things more accessible by combining HTML5 and WAI-ARIA in smart ways, using HTML5 where available and appropriate, and enhancing the user experience where HTML5 still has gaps in the implementation. This is a recap of what I showed. […]