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Accessibility Glossary

WCAG criteria, patterns, and standards — with interactive demos, detection methods, and audit data.

WCAG principle 2 of 4 (POUR): every control and feature must work by keyboard, switch, voice, and other input methods — not just a mouse.

15 terms

D

Descriptive Page Title 2.4.2 Operable Dragging Movements 2.5.7 Operable

F

Focus Appearance 2.4.13 Operable Focus Management Essential 65% audit fail rate Operable Focus Not Obscured Essential 2.4.11 Operable Focus Order 2.4.3 Operable Focus Visible Essential 68% audit fail rate 2.4.7 Interactive Operable

K

Keyboard Accessible Essential 78% audit fail rate 2.1.1 Operable

L

Link Purpose 47% audit fail rate 2.4.4 Operable

M

Motion & Animation 2.3.3 Operable

P

Pointer Gestures 2.5.1 Operable

S

Seizure Safety 2.3.1 Operable Skip Link 2.4.1 Operable

T

Target Size 2.5.8 Operable Timing Adjustable 2.2.1 Operable