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F87: CSS Generated Content and WCAG Conformance

The Web Content Accessibility Guidelines (WCAG) does a good job of providing supporting techniques to help reviewers determine if a specific case would violate a given Success Criterion (SC). WCAG 2.0, which became a recommendation at the end of 2008, has carried these techniques over to WCAG 2.1, finalized in…

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Tags: accessibility, css, UX, W3C, WAI, WCAG

Avoid Default Field Validation

HTML5 gives us form field validation for free. The problem is that the default messages browsers provide are not always useful and typically do not work with assistive technology. I made an example on CodePen that uses an email field (type=”email”), is required (required), and uses a pattern to restrict…

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Tags: accessibility, browser, html, pattern, usability, UX

Uncanny A11y

Original photo by Kevin Hale (photo no longer on Flickr), text added. CC BY-SA 2.0. The pun in the title is that some people pronounce the a11y numeronym as “alley”. That makes the full title sound like uncanny valley, the concept of human-looking things seeming almost, but not quite, human…

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Tags: accessibility, ARIAbuse, css, html, JavaScript, usability, UX

A Strongly Worded Letter

Last week while whining about having accessibility contributions to FOSS projects dismissed, I had a Twitter conversation about when the same thing happens with clients. I have a method to deal with that, however, which I briefly outlined on Twitter. I promised to expand on it in a blog post,…

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Tags: accessibility