We have recently added WAI ARIA landmark roles to accessible.ie, to improve navigation for visitors using assistive technologies. The diagram below shows how the sections of the page are divided into logical chunks. (more…)
Posts Tagged ‘W3C’
WAI ARIA
Monday, November 2nd, 2009How Accessible Are Online PDFs?
Friday, October 14th, 2005The World Wide Web Consortium (W3C) does not recognise the Portable Document Format (PDF) file as a standard web format. Could the W3C, however, be wrong?
“To access the full range of accessibility features available with Acrobat”, say Adobe, the creators of the PDF, “we recommend that you upgrade to version 7.0″. (more…)
Introducing the Cascading Style Sheet
Tuesday, September 6th, 2005Jakob Nielsen said it in 1997. Jeffrey Zeldman reiterated it two years later. Cascading Style Sheets were, then, the way to go.
By now, most of the web design and development community use CSS to control the style of a website, all who said go, were right.
What is CSS?
CSS, as Wikipedia explains, is a “style-sheet language used to describe the presentation of a document written in markup language” such as HTML. (more…)
Colouring the Web
Tuesday, June 28th, 2005“Don’t rely on colour alone”, say the World Wide Web Consortium’s (W3C) Web Content Accessibility Guidelines (WCAG). “Ensure that text and graphics are understandable when viewed without colour”.
Is this an important accessibility guideline though, as important as valid XHTML or CSS? The W3C’s justification of the guideline considers
- People who cannot differentiate between certain colours.
- Users with non-colour or non-visual display devices.
Web site Testing Tools
Tuesday, May 10th, 2005Warning: “Electronic (testing) tools can help users make web pages more accessible, but (do not) guarantee total accessibility”, says wd4a.
Entering a site’s URL or uploading site files to one of the many online testing tools, commercial testing packages or validators returns information on code errors and accessibility concerns. However, as the Royal National Institute of the Blind highlights, “(these) …tools …understand source code, but not how it is being used. For example, the tool will understand that the page contains a table, but it cannot identify whether (this table) is being used for layout or to display data”. (more…)