Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- WAI-ARIA(also: ARIA, Accessible Rich Internet Applications, WAI-ARIA Specification)
- A W3C technical specification that defines a set of HTML attributes (roles, states, and properties) to make dynamic web content and custom user interface widgets accessible to people using assistive technologies such as screen readers. ARIA allows developers to communicate the…
- WAP(also: Wireless Application Protocol)
- A suite of protocols and specifications designed to enable mobile devices to access internet content and services. WAP defined standards for how mobile devices communicate with web servers, including markup languages (WML, XHTML-MP) optimized for small screens and limited…
- Web 2.0(also: Web Two Point Oh, The Read-Write Web)
- Web 2.0 refers to the shift in web development that emerged in the early 2000s, characterized by user-generated content, dynamic interfaces, rich interactivity, and social participation rather than static page delivery. For accessibility, Web 2.0 introduced significant…
- Web of Things(also: WoT)
- An application layer built on top of the Internet of Things (IoT) that uses open web standards — including HTTP, WebSockets, JSON-LD, and semantic web technologies — as a universal platform for interoperability between connected devices. Proposed by the W3C, the Web of Things…
- WebVTT(also: Web Video Text Tracks, Web Video Text Tracks Format)
- WebVTT (Web Video Text Tracks) is the W3C standard text format for providing timed text tracks — including captions, subtitles, descriptions, chapters, and metadata — synchronized with HTML5 <video> and <audio> elements. WebVTT evolved from the earlier SRT subtitle format,…
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