Well-structured content allows more efficient navigation and processing. Use HTML and WAI-ARIA to improve navigation and orientation on web pages and in applications.
Page Regions: Identify and mark up regions on web pages using HTML5 and WAI-ARIA roles.
Labeling Regions: Label regions to allow users to distinguish and access them.
Headings: Add headings and nest them logically to label sections of web pages according to their relationships and importance.
Content Structure: Mark up the content on a page in a way that uses appropriate and meaningful elements.
Why is this important?
Pages with well-structured content are essential for many web users, for example:
- People with cognitive and learning disabilities can more easily find and prioritize content on the page.
- People using screen readers can skip to the main content directly and navigate to sections that are important to them.
- Keyboard users can browse pages and their sections more efficiently. Otherwise, users have press the tab key multiple times to navigate through all links in each section.
- People using software that only shows the main content of a web page, such as people with cognitive disabilities, will receive better results if the page structure is correctly marked up.
- People with visual impairments, including people with low vision, have cues that provide orientation on the page and in the content.
- Mobile web users often have access to a so-called “reader” or “reading” mode that will only show the main content of the page if it is correctly marked up.
- People using certain browser plugins can use landmark roles to jump to specific sections on a page.
- There are additional benefits to a good, accessible page structure, beyond those experienced by people with disabilities. As an example, search engines can use the data to better index the content of a page.
Related WCAG 2.0 resources
These tutorials provide best-practice guidance on implementing accessibility in different situations. This page combined the following WCAG 2.0 success criteria and techniques from different conformance levels:
1.3.1 Info and Relationships: Information, structure, and relationships conveyed through presentation can be programmatically determined or are available in text. (Level A)
2.4.1 Bypass Blocks: A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. (Level A)
2.4.6 Headings and Labels: Headings and labels describe topic or purpose. (Level AA)
2.4.10 Section Headings: Section headings are used to organize the content. (Level AAA)