Glossary

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National Accessibility Portal(also: NAP, South African National Accessibility Portal)

A South African government-supported web portal developed by the Meraka Institute (CSIR) to provide accessible information sharing for the disability sector. The NAP was designed from inception as an accessible platform, featuring alternative CSS stylesheets for different font…

National Transition Strategy (NTS)(also: NTS, Web Accessibility National Transition Strategy)

The Australian Government's National Transition Strategy was a formal policy established in June 2010 requiring all federal, state, and territory government websites to conform to WCAG 2.0. It set staged milestones — Level A conformance by December 2012 and Level AA by December…

Navigability(also: Ease of Navigation, Web Navigability)

The ease and efficiency with which a user can move through a web page, application, or document to reach their intended content. For accessibility practice, navigability is a primary determinant of whether a screen-reader, voice-browser, or keyboard-only user can actually…

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-Visual Skimming(also: Aural Skimming, Accessible Skimming)

Non-visual skimming is the process of quickly surveying and extracting key information from text content without visual access, typically through auditory means such as screen readers. While sighted users skim by rapidly scanning text with their eyes, blind users lack an…

Non-Visual Web Access(also: Non-Visual Browsing, Nonvisual Web Access)

The use of the web without relying on visual display, typically through screen readers, voice browsers, or refreshable braille displays that convert web content into speech or tactile output. Non-visual web access depends heavily on proper semantic HTML, alternative text for…

Non-Visual Web Browser(also: Self-Voicing Browser, Audio Web Browser, Talking Browser)

A web browser specifically designed for users who cannot see the screen, providing audio-based or haptic interfaces for navigating and interacting with web content. Unlike standard screen readers that overlay existing visual browsers, non-visual browsers are purpose-built to…

Nonvisual Access(also: Non-Visual Access, Nonvisual Web Access, Non-Visual Web Access)

The use of digital content, particularly web pages and applications, through means other than sight. Nonvisual access typically involves screen readers that convert text to speech, braille displays that render content tactilely, or other assistive technologies that present…

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