The combination web development and accessibility is my passion. The web should be usable for everyone.
At the moment I work on documentation about accessibility for WordPress: the WP Accessibility Knowledge Base.
An overview of accessibility work:
- Accessibility consultancy
- Training web accessibility
- Open source contributions
- Girl on stage
- List of publications
Recent accessibility work
- Documentation about web accessibility for WordPress.
- Training web accessibility for the Internet Academy.
- Documentation and guidelines for the Dutch Governement.
- Consultancy for plugins and web agencies worldwide.
- Presentations and workshops for conferences and meetups globally.
- Mentoring junior accessibility specialists.
Training web accessibility
For the Dutch training institute the Internet Academy gave in-house training about WCAG.
For The A11Y Collective I created 4 courses: “Web accessibility, the basis“, “Writing accessible content for the web“, “Accessible code” and the masterclass “ARIA explained“.
Open source contributions
In 2025 I started contributing to the WordPress accessibility documentation again. My goal is to expand and modernise the information available on accessibility for WordPress developers, designers and content creators: The WP accessibility Knowledge Base. I am grateful, that Kinsta, Human Made, Aiwos and Level Level are sponsoring my work.
Until October 2018 I was an active part of the WordPress Accessibility Team. For this I got props for several WordPress releases and “rockstar” credits for 4.3 & 4.5.
In 2016 Knowbility gave me the Heroes of Accessibility Award for Individual Achievement for my contributions to WordPress.
Girl on Stage
Presentations on meetups and conferences. Also included are the podcasts, panels and online interviews.
2026
- Interview: WP:26 by Human Made, online, March 2026.
- Presentation: WordPress’ accessibility documentation is getting a major overhaul, what’s new? WPLDN London, February 2026.
2025
- Presentation: WordPress’ accessibility documentation is getting a major overhaul, what’s new? WordCamp Netherlands, The Hague, November 2025.
- Presentation: A WP knowledge base about accessibility. WordPress Meetup Utrecht, October 2025.
- Presentation: Accessibility is Political. WordPress Meetup Amsterdam, October 2025.
2024
- Podcast: Understanding the European Accessibility Act and Its Impact on Websites, WP Tavern Jukebox, July 2024.
- Workshop: Accessibility testing for non-techies, WordCamp Whitley Bay, UK, July 2024.
- Presentation: The European Accessibility Act explained. WordCamp Europe, Torino, June 2024.
- Panel: Get Your Products Ready for the European Accessibility Act. WP Product Talk with Amber Hinds and Zack Katz, January 2024.
2023
- Workshop: De European Accessibility Act 2025, gaat die ook voor jouw site gelden?
WordCamp Netherlands, Arnhem, September 2023. - Presentation: Creating Accessible Forms the Easy Way.
WordPress Accessibility Day, together with Morgan Kay from Gravity Forms, September 2023. - Panel: Women and non-binary folx of WordPress.
WordCamp Europe, Athens, June 2023.
2022
- Presentation: Form Accessibility and Beyond.
WordPress Accessibility Day, together with Morgan Kay from Gravity Forms, November 2022. - Workshop: Accessibility testing in the browser.
WordCamp Netherlands, Arnhem, September 2022. - Presentation: Webtoegankelijkheid, hoe pak je het aan?
Introduction on accessibility for Dutch frontend developers.
Tweakers Developers Summit, Utrecht, June 2022. - Presentation: Hoe kunnen webshops toegankelijker? Dat laat bol.com zien!
Duo presentation with Bol.com about my research on the accessibility of Dutch webshops and the action Bol.com took to improve.
Nationaal Congres Digitale Toegankelijkheid, Driebergen, June 2022.
2021
- Panel: Be Successful with Accessibility: How to add value to your projects by being compliant.
Mavericks Webinar for Cloudways, July 2021. - Presentation: Automated accessibility testing, a few scenarios,
WordCamp Santa Clarita, July 2021. - Presentation: Enhancing the accessibility of a plugin, a use case. About the accessibility overhaul of Gravity Forms. Together with Morgan Kay from Rocketgenius,
WordCamp Europe, June 2021. - Interview: Women in WP #60, June 2021.
- Interview: Rethink.fm: Episode 34: Spotlight on Accessibility with Rian Rietveld, March 2022.
2020
- Presentation: How to use ARIA in Forms,
WordPress Accessibility Day, October 2020. - Presentation: Accessible cards,
#a11yTO Conf 2020, November 2020. - Workshop: Web Accessibility (in Dutch),
WPNL Live, September 2020. - Interview: Interview with an accessibility expert, by Maygen Jacques, Code Enigma, August 2020.
2019
- Presentation: What makes an accessible card?, webinar for Tenon.io on YouTube, August 2019.
- Presentation: Who’s afraid of ARIA – Helsinki,
WordCamp Nordic, Helsinki, February 2019.
2018
- Presentation: Who’s afraid of ARIA – Nashville,
WordCamp US, Nashville, December 2018. - Workshop: Testing Web Accessibility, together with Sami Keijonen,
WordCamp Europe, Belgrade, June 2018.
2017
- Presentation: Accessibility Testing, Tools and Workflow,
WordCamp US, Nashville, December 2017. - Presentation: Accessibility, where to start,
WordCamp Brighton UK, August 2017. - Presentation: Accessibility in the Age of the Headless CMS,
WordCamp Europe, Paris, June 2017.
2016
- Presentation: WordPress, state of the Accessibility,
WordCamp Europe, Vienna, June 2016. Please also read the related blog post with all the information plus more. - Interview: Rethink.fm: Episode 7: Why Web Accessibility Matters, 2016.
2015
- Presentation: WordPress is what we make of it,
WordCamp the Netherlands, Utrecht, September 2015. - Presentation: The Accessibility-Ready Tag for Your Theme – Why and How,
WordCamp Europe, Seville, June 2015. - Panel: All About Accessibility,
Carrie Dils Genesis Office Hours 43, Podcast, January 2015.
2014
- Presentation: Those Who Don’t Jump Will Never Fly,
London WordPress Meetup, July 2014. - Panel: A More Accessible WordPress Panel Discussion,
WP Bacon, Podcast, July 2014.