Sources & Maintenance
Drupal Research Install
Path: N/A — this guide covers web-platform APIs (HTML/ARIA/CSS/JS), not Drupal-specific code.
Web Sources
| Source | URL | Guide Sections | Last Verified |
|---|---|---|---|
| Google Modern Web Guidance — Accessibility | (internal: /tmp/mwg/accessibility/accessibility.md) |
All sections | 2026-06-09 |
| Google Modern Web Guidance — Accessible Error Announcement | (internal: /tmp/mwg/accessibility/accessible-error-announcement.md) |
forms-accessibility | 2026-06-09 |
| WCAG 2.2 | https://www.w3.org/TR/WCAG22/ | color-and-typography, document-metadata, motion-preferences | 2026-06-09 |
| ARIA Authoring Practices Guide (APG) | https://www.w3.org/WAI/ARIA/apg/ | aria-usage, keyboard-and-focus | 2026-06-09 |
| WAI-ARIA 1.2 Specification | https://www.w3.org/TR/wai-aria-1.2/ | aria-usage | 2026-06-09 |
| Accessible Name and Description Computation 1.2 | https://www.w3.org/TR/accname-1.2/ | accessible-names | 2026-06-09 |
| MDN — aria-live | https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-live | live-regions | 2026-06-09 |
| MDN — aria-invalid | https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Reference/Attributes/aria-invalid | forms-accessibility | 2026-06-09 |
| MDN — :user-invalid | https://developer.mozilla.org/en-US/docs/Web/CSS/:user-invalid | forms-accessibility | 2026-06-09 |
| MDN — HTMLDialogElement.showModal() | https://developer.mozilla.org/en-US/docs/Web/API/HTMLDialogElement/showModal | native-dialog | 2026-06-09 |
| MDN — inert | https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/inert | native-dialog | 2026-06-09 |
| MDN — prefers-reduced-motion | https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion | motion-preferences | 2026-06-09 |
| W3C Image Concepts Tutorial | https://www.w3.org/WAI/tutorials/images/ | media-alternatives | 2026-06-09 |
| axe-core | https://github.com/dequelabs/axe-core | accessibility-testing | 2026-06-09 |
| W3C Test and Evaluate | https://www.w3.org/WAI/test-evaluate/ | accessibility-testing | 2026-06-09 |
Code Sources
None — this guide covers web-platform standards, not framework-specific code. No Drupal core/contrib modules are referenced.
Cross-Guide References
| Referenced guide | Published path | Sections referencing it |
|---|---|---|
| Keyboard Navigation Craft | js/interaction-craft/keyboard-navigation-craft |
keyboard-and-focus |