Category Archives: W3C

Focus Appearance thoughts

This article was based on a previous draft of WCAG 2.2 and is no longer valid. I’m keeping it here for posterity, outlining the good ideas from the previous version, even though it was not thought practical in all cases.

I think it is fair to say that some folks …

WCAG – Priority of Constituencies

There's a concept, originally from WHATWG I think, that might be worth translating for accessibility in a guidelines context: Priority of Constituencies.

Overlay comments

There was a W3C session called “Accessibility at the Edge“, essentially trying to tackle the technical aspects of accessibility overlays. I’ll add links to the session and video if & when that is published.

I just wanted to capture my main point:

From a first principles point of

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Pixels vs Ems commentary

An article from Evan Minto did the rounds on Medium a while ago: "Pixels vs. Ems: Users DO Change Font Size", and I posted a couple of comments which I'd rather didn't disappear so I'll summarise them here.

Is text sizing dead?

I was listening to Shop Talk show 287, where Chris and Dave were wondering about the old mantras about text-sizing / media queries not being in pixels, I think I can help with this.

I’m one of the many people working on WCAG 2.1, and specifically with people …

EME at the W3C

There's an ongoing kerfuffle about DRM (Digital Rights Management) being implemented in browsers and whether the W3C should publish a standard ('recommendation') that provides access to DRM content.

Graphics Contrast

An overview of the potential Graphics Contrast criteria for WCAG 2.1, and a request for examples.

Four levels of accessibility customisation

There are some interesting discussions on customisation going on with the work on WCAG 2.1, the much anticipated (I hope) update to the Web Content Accessibility Guidelines. This is a little inside-baseball, but I've tried to make it understandable for a wider accessibility-audience.

CSUN: WCAG evaluation methodology

Shadi Abou-Zahra and Eric Velleman spoke about the "Website accessibility conformance evaluation methodology" (WCAG-EM), i.e. how you test an entire website for accessibility.

CSUN: Authoring Tool Accessibility Guidelines

Jeanne Spellman presents about ATAG version 2, which is at a critical stage in the W3C process. If you are interested in web-authoring tools, please read this.