Director of Accessibility Automation

Wilco Fiers

Wilco has been in the field of accessibility for 18 years, and is the product manager of Deque’s advanced rules, and previously of Axe-core and Axe linter. He has a leading role at the W3C as Deque’s advisory committee representative, facilitator of the ACT Task Force, and former project manager of WCAG 3.0. On behalf of Deque, Wilco managed the EU-funded accessibility projects WAI-Tools & WAI-Coop, and regularly does public speaking on various topics related to digital accessibility.

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Posts from Wilco

22 results found

Why partnering EN 17161 with WCAG is a major step forward for digital accessibility

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July 9, 2026 By Wilco Fiers

WCAG is the horizon. It is the direction you're traveling in, and even if you can’t actually “reach” the horizon, it’s what you’re driving toward. EN 17161 is the road you drive on, and it has all the markings, guides, and signs that keep you on track and prevent you from swerving into other traffic or a ditch.

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Group of individuals in an office setting discussing business around a laptop. There are four overlaid callouts on the post, with the phrases: EN 17161, EN 301 549, WCAG, and European Accessibility Act (EAA)

The next big leap in digital accessibility: Why the digital accessibility community should embrace EN 17161

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June 11, 2026 By Wilco Fiers

Learn how integrating EN 17161 empowers your organization to set up a robust accessibility program for measuring real-world accessibility alongside WCAG.

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Two individuals working at a laptop, one is blind. There are four callout boxes with the text: Digital accessibility compliance, EN 17161, WCAG, and design for all.

W3C unveils 174 new outcomes for WCAG 3.0

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May 16, 2024 By Wilco Fiers

Far out in the uncharted backwaters of the unfashionable end of the Western Spiral arm of the Galaxy lies an utterly insignificant little blue-green planet…

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Blog WCAG 3.0

301,549 ways to improve accessibility: EN 301 549

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April 26, 2024 By Wilco Fiers

For almost 25 years now, digital accessibility has been synonymous with the Web Content Accessibility Guidelines (WCAG). This standard, developed by the World Wide Web…

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Two coworkers reviewing a document at a desk with a laptop. The callout text reads Accessibility standards, EN 301 549, WCAG, and EAA compliance.

WCAG 2.2 Removes 4.1.1 Parsing and How axe-core is Impacted

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June 21, 2023 By Wilco Fiers

Earlier this year, for the first time ever the World Wide Web Consortium (W3C) proposed to remove a success criterion from WCAG 2. Success Criterion…

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wcag 4.1.1 update

W3C Publishes WCAG Testers Consistency List

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December 7, 2022 By Wilco Fiers

If you’ve ever used two different accessibility testing tools, you will likely have noticed that the results can vary significantly. This is, in part, because…

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rules comparison