Notes on accessible CSS image sprites
The issue of CSS image sprites has been raised again on the Web Accessibility Initiative Interest Group mailing list. Here is the advice we provide on the issue:
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The latest in accessibility law, strategy, program management, and news, as well as upcoming events, and articles on web development issues, techniques, design patterns, auditing, WCAG, and resources of a technical nature.
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latest aViewer alpha 2012
Refer to: aViewer 2013
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W3C HTML and WHATWG HTML ‘split’ effect on HTML Accessibility?
The recent formalisation of the ‘HTML split’ between the W3C and the WHATWG, is not news to those working in either group. Work continues pretty much as it has, prior…
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Google Chrome accessibility update
Google Chrome has come a long way in the past 3 years, and the improvements definitely extend to accessibility support. The Google Access team have been working hard to make…
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Visualising browser accessibility bugs
On revisiting what I believe to be a simple to fix bug, filed in January on Webkit’s ARIA implementation, unsurprisingly I found it not yet fixed. Part of the reason…
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Notes on Web Components + ARIA
After listening to the Google IO web components presentation I decided to take another look at this emerging web technology. It sort of struck me as a client side version…
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Using ARIA in HTML
I have published an intial draft of a document I have been working on which attempts to provide practical advice to developers on what ARIA to use in HTML: Using…
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Netflix Lawsuit Moves Forward…
In June, a Massachusetts judge ruled that a lawsuit can go forward against Netflix to provide captions for its Watch Instantly streaming content. Netflix hoped to get the suit, brought…
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Pro HTML5 Accessibility – review
A new book Pro HTML5 Accessibility by Joshue O’connor.
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HTML5 Accessibility Chops: ARIA role=alert browser support
For a more recent set of results, see ARIA alert support (April 2017) ARIA role=alert is supported across modern browsers and assistive technology, but implementation in browsers differ, which can…
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HTML5 Accessibility Chops: notes on using ARIA
I have jotted down some notes on ARIA concepts and usage that may be useful for developers.
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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…
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HTML5 Accessibility Chops: When to use an ARIA role
There has been discussion of late on whether authors should be allowed to include an ARIA role value on an HTML element that matches the default implicit ARIA role as…
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Nu Markup Validation Service Bookmarklets
I noticed that the W3C Nu Markup Validation Service did not have any bookmarklets to provide quick validation of a page currently being viewed. So I made some using the…
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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…
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Top 5 Tests for Web Accessibility
How do I test for accessibility? In short, there are two ways to test the website’s user accessibility: human evaluation or digital evaluation tools. But the most successful approach is…
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What’s ‘large text’ in WCAG 2.0 parlance?
I put together an example page, mainly for my own use, providing some examples of what in WCAG 2.0 terms is considered large and small text. WCAG 2.0 provides the…
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Notes on applying multiple labels for a control using the label element
While it is conforming to have multiple label elements pointing to a single control for labelling purposes, it is not recommended. It has been conforming as per (X)HTML specifications for…