19 topic guides across 7 categories. Pair them with the accessibility standard and the accessibility QA checklist before release. For forms and validation, we align with the GOV.UK Design System — start with accessible forms.

Markup and semantics(3)

Structure, ARIA discipline, and reading order — the foundation assistive technology builds on.

Keyboard and focus(3)

Tab order, visible focus, traps, and restoring context when overlays open and close.

Assistive technology(1)

Live regions, announcements, and screen reader testing — dynamic UI users can follow.

Visual design and motion(3)

Contrast, colour systems, animation, and respecting reduced motion preferences.

Interaction patterns(6)

Drag-and-drop, reordering, touch targets, zoom, and authentication flows that stay usable.

Media and data(2)

Players, charts, and visualisations — information that must not rely on sight alone.

Testing(1)

Manual workflows that catch what automation misses — keyboard, zoom, and real devices.