Perceivable 1.3 Adaptable

Create content that can be presented in different ways (for example simpler layout) without losing information or structure.

Examples

Use heading tags to establish the hierarchy of the content.
A website can be viewed in Safari Reader mode without any content losing context.
Users are not locked into a specific view, they can rotate their device between landscape and portrait.

Depending on which level of compliance your website needs, the following criteria needs to be met.
Criterion	Level	Description
1.3.1	A	All information and structure is available in text or can be programmatically determined.
1.3.2	A	Content is presented in a meaningful order.
1.3.3	A	Understanding the context of content does not depend on sensory input such as color, sound, or visual orientation.
1.3.4	AA	Content does not require a specific orientation or view.
1.3.5	AA	The purpose of each input field is identified with a label and/or text description.
1.3.6	AAA	The purpose of custom interface components can be programmatically determined.