Rule LIST-3
Nested lists deeper than 5 levels are difficult for people to understand, especially screen reader users.

Description

Best Practice Type: Pass/Warning

Reorganize the structure of the nested lists into sections that can be identified using meaningful section titles using heading markup.

Markup

none

Associated Accessibility Guidelines and Standards

Guideline or
Standard
Requirement Priority Test
Type
IITAA 1.5 Use lists to identify series of related items, including navigation menus. Desirable Violation
Section 508 none none
WCAG 1.0 3.6 Mark up lists and list items properly. Desirable Violation
WCAG 2.0 1.3.1 Info and Relationships Desirable Violation

Examples

Evaluation Techniues

none

Testsuite Tests