Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Heading Structure(also: Header Hierarchy, Heading Levels, Document Outline)
- The hierarchical organization of headings (H1 through H6 in HTML) used to define the logical structure and sections of a document or web page. Proper heading structure is one of the most critical accessibility features for screen reader users, who rely on headings to skim…
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