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Michaël Vanderheyden, UX & Accessibility Lead | Th3S4mur41
a11y

Michaël Vanderheyden, UX & Accessibility Lead | Th3S4mur41

Personal site of Th3S4mur41: developer & martial artist sharing web development, accessibility, performance, CSS, JS, UI/UX and open source insights.

@th3s4mur41.me0readers23postsyesterday
LatestRecent writing
On to the Atmosphere!
Jun 10, 2026
I've upgraded my website and officially joined the cool kids club on standard.site! My blog posts are now flying straight into the Atmosphere. 🚀
dxthoughts
headingoffset Is Coming: How to Prepare Today
Jun 4, 2026
With headingoffset starting to land in browsers, learn how to prepare now using polyfills, safe CSS fallbacks, and accessibility-first heading styling.
htmlcss
The Evolution of Accessibility Testing: From Static Rules to Intelligent Automation
May 21, 2026
Static rules are fast, but they lack context. Explore how AI can enhance the full a11y testing workflow—from smarter scanning to intelligent triage and fixes.
aia11y
Beyond compliance: Building accessibility into quality with test automation
May 12, 2026
Learn how to move accessibility beyond compliance by embedding automated checks into CI pipelines, reducing regressions, and scaling inclusive quality with existing test automation workflows.
a11ytesting
Grid Lanes, Subgrid, and No Extra Wrappers
May 7, 2026
A narrative walkthrough of how grid lanes, subgrid, and anchor positioning let me remove wrapper-heavy CSS workarounds as a progressive enhancement.
htmlcss
Labels: Automatic Checks and Manual Validation
Apr 14, 2026
Learn to validate accessible labels using browser DevTools accessibility trees and voice navigation — practical alternatives to screen reader testing.
a11y
PHP in 2026: Modern Language, Fragmented Tooling
Mar 27, 2026
Practical take on PHP and Laravel in 2026: a modern, capable language with fragmented tooling, OS coupling, and DX trade-offs in mixed-stack teams.
dxthoughts
When AI helps with better detection in accessibility testing
Mar 13, 2026
Accessibility Cloud's ACAI adds AI to the detection phase of accessibility testing, helping teams identify issues that traditional rule-based scanners cannot.
aia11y
Scroll-Driven Animations and Test Automation
Feb 24, 2026
Scroll-driven animations break test automation. Learn why SDAs cause false positives in accessibility testing and discover practical solutions.
csstesting
Making Scrollable Code Blocks Accessible
Feb 13, 2026
Fix keyboard accessibility gaps in Safari: learn why scrollable code blocks need focus and how a small polyfill makes them accessible for keyboard users.
a11yhow-to
Contrast: Beyond WCAG Compliance
Jan 14, 2026
Discover why APCA offers more perceptually accurate approach to color contrast than traditional WCAG standards for better readability.
a11ythoughts
You don’t need JS for that
Nov 14, 2025
An internal 90-minute Atos workshop where live coding demos showed how modern HTML and CSS can replace heavy JavaScript with better a11y and performance.
htmlcss