This page contains all guidelines tagged with:

Automated Test

This requires an automated tool to test accessibility, often in the form of a browser extension or bookmarklet.

Define the purpose, name, role, and value of UI components in markup

Example of good semantic markup of an accordion
Code
Defined in Markup
Visual
Level A
Level AAA

Define the human language in markup

HTML code with the human language attribute
Code
Defined in Markup
Visual
Level A
Level AA

Define information, structure, and relationships in markup

Website with headers h1, h2, and h3 labeled
Code
Defined in Markup
Visual
Level A
Automated Test

Use high color contrast

Examples of high color contrast (easy to see) and low contrast (difficult to see)
Design
Styles
Visual
Level AA
Level AAA

Provide image descriptions

An image with an image description in the caption below
Content
Multimedia
Visual
Level A
Defined in Markup