Support for `headers` Attribute 🔗
This post only covers the headers attribute in HTML tables (ARIA has no headers equivalent). My 2022 post Accessible Cart Tables? showed headers attri [...]
Adrian Roselli
Posts
Evaluating a Success Criterion 🔗
Sidney Paget illustration of Sherlock Holmes from Strand Magazine, December 1892, p.646, but I added papers from his March 1893 (p.281 of Strand Magaz [...]
The 2.1.1 “specific timings” Clause 🔗
Many simplified, intro, or “plain-English” WCAG re-interpretations frame Success Criterion 2.1.1 Keyboard as ensuring a control or widget or thing can [...]
Should a Dialog Close When Clicked Outside? 🔗
Maybe not, but I’ll break these down into three categories because it depends on context and intent. Pretend this post also applies for pressing Esc. [...]
Link + Popover Navigation 🔗
This is a redress of my 2019 post Link + Disclosure Widget Navigation, except (as the title implies), I’ve modified it to use native HTML popovers ins [...]
Focusgroup Tests 🔗
Chrome 150 has landed support for focusgroup, a feature proposed by Open-UI and not yet in WHATWG HTML as anything more than a feature request. Open-U [...]
∪ of Target Audiences (Accessibility, SEO, AEO/GEO) 🔗
Using SEO (search engine optimization) to justify accessibility was only ever a technique for bosses or clients or stakeholders who see accessibility [...]
headingoffset is Not the Document Outline Algorithm 🔗
Hi, just me heading off some bad advice I’m starting to see in developer venues. Background The proposed Document Outline Algorithm, where headings wo [...]
Maybe Don’t Rely on Google’s “Modern Web Guidance” 🔗
Just in time for Google I/O, the Chrome for Developers site announced Modern Web Guidance (MWG): Modern Web Guidance is a set of evergreen and expert- [...]
WCAG3 Contrast as of April 2026 🔗
I am not speaking on behalf of the W3C nor the W3C Accessibility Guidelines Working Group (AGWG), nor am I a member, nor does anyone who is member kno [...]