A11y

WCAG 2.2

Visual, hands-on explanations of W3C/WAI accessibility standards. Each criterion comes with an interactive comparison between non-conforming and conforming patterns.

The four principles of WCAG 2.2

WAI-ARIA 1.2

A specification that defines roles, states, and properties so assistive technologies can correctly interpret web content.

ATAG 2.0

Guidelines covering both the accessibility of authoring tools (CMS, editors, etc.) themselves and how those tools support producing accessible content.

Other standards

Related W3C/WAI specifications and tools.