WCAG 2 Reaches Recommendation Status

It’s been a long time coming, but as of today the standards of accessibility expressed in the Web Content Accessibility Guidelines are officially updated. A W3C recommendation is the most final state a document can reach in the W3C standards system, and should now be considered the standard document for accessibility, superceding WCAG 1. A W3C Recommendation is a specification or set of guidelines that, after extensive consensus-building, has received the endorsement of W3C Members and the Director. W3C recommends […]

Testing Color Contrast for WCAG 1 & 2

Use the Color Contrast Spectrum Tester or compare the contrast of two colors. Some time ago, while pondering whether web accessibility posed limitations on design, the thought occurred to me that there are presumably some colors which simply cannot be used for text or text backgrounds in any site. WCAG 1 does not, in fact, provide any specific guidelines concerning color contrast. The formulas commonly used to judge this were specified in Techniques For Accessibility Evaluation And Repair Tools, published […]

Alternative Text for Significant Images

In the comments from my most recent article, “Supporting Standards that Support Accessibility,” a number of interesting thoughts were raised concerning the requirement (or lack thereof) of the alt attribute in HTML 5. It’s a difficult issue. I’ve seen numerous articles around the web which discuss the fact that HTML 5 does not require the alt attribute. To some degree, this is true: HTML 5 provides exclusions to the requirement. In situations where an image is significant but no alternative […]

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