Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Near-Duplicate Pages(also: ND Pages, Near-Duplicate Web Pages)
- Near-duplicate pages are web pages that belong to the same functional state from a testing perspective but exhibit low visual or structural similarity due to dynamic content differences. Common causes include dynamically loaded data, dynamically generated HTML attributes such as…
- Non-Functional Requirement(also: NFR, Quality Attribute)
- A software requirement that specifies how a system should behave rather than what it should do. Non-functional requirements include accessibility, security, performance, maintainability, and usability. In web development, accessibility is a critical non-functional requirement…
- Nonvisual Programming(also: Non-Visual Programming, Blind Programming)
- The practice of writing, navigating, debugging, and managing software code without relying on visual display, typically using screen readers, braille displays, and audio cues. Nonvisual programmers face unique challenges with syntax highlighting, code indentation, error…
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