Glossary

Searchable terminology from accessibility, web standards, and related fields.

178 results found in web accessibility.

WCAG 2.4 Navigable (Guideline 2.4, Navigable Guideline)
A guideline within the Web Content Accessibility Guidelines (WCAG) under the Operable principle that requires web content to provide ways to help users navigate, find content, and determine where they…
WCAG Conformance (WCAG Compliance, Web Accessibility Conformance)
The degree to which a website or web application meets the requirements defined in the Web Content Accessibility Guidelines (WCAG). WCAG defines three conformance levels: Level A (minimum, addressing …
WCAG Conformance Levels (WCAG Levels, Level A, Level AA, Level AAA, Conformance Levels)
WCAG defines three levels of conformance that indicate the degree to which web content meets accessibility requirements. Level A is the minimum, addressing the most critical barriers that would comple…
Web Accessibility Assessment (Accessibility Evaluation, Accessibility Audit, Web Accessibility Testing)
The process of evaluating websites and web applications to determine how well they meet accessibility standards and guidelines, typically WCAG. Assessment methods include automated testing with evalua…
Web Accessibility Evaluation (Accessibility Assessment, Accessibility Review)
The process of assessing whether a website or web application meets accessibility standards and can be used by people with disabilities. Evaluation methods include automated testing using tools like a…
Web Accessibility Initiative (WAI)
A program of the World Wide Web Consortium (W3C) that develops strategies, standards, and supporting resources to make the web accessible to people with disabilities. Founded in 1997, WAI is responsib…
Web Accessibility Remediation (Accessibility Remediation, A11y Remediation)
The process of identifying and fixing accessibility barriers in existing websites and digital content to bring them into compliance with standards like WCAG. Remediation can be manual (developers edit…
Web Adaptation (Content Adaptation, Web Content Adaptation)
The process of automatically modifying web content to improve usability, accessibility, or presentation for specific users, devices, or contexts. Web adaptation techniques include restructuring page l…
Web Automation (Browser Automation, Web Macro)
The process of automating browsing actions on behalf of a user, such as filling forms, navigating between pages, clicking links, or extracting content. Web automation can be achieved through macros (p…
Web Clutter (Page Clutter, Visual Clutter)
Non-essential elements on a web page that do not contribute to the primary content or user task, such as advertisements, decorative images, redundant navigation, social media widgets, and promotional …
Web Inclusion (Digital Inclusion, Web for All)
The principle and practice of ensuring that the web is usable by and beneficial to all people, regardless of disability, language, literacy, cultural background, technical proficiency, or socio-econom…
Web Page Segmentation (Page Segmentation, Visual Page Segmentation)
The process of dividing a web page into its constituent visual blocks or semantic regions, such as headers, navigation menus, content areas, sidebars, and footers. Segmentation algorithms analyse both…
Web Transcoding (Content Transcoding, Web Page Transcoding)
The process of transforming or reformatting web page content to make it more accessible or usable in different contexts. Transcoding techniques include removing irrelevant elements, reordering content…
Web disorientation (Lost in hyperspace, Navigation disorientation)
The feeling of being lost or confused while navigating websites, characterized by difficulty knowing one's current location within a site, how to return to previously visited pages, or how to find des…
WebAIM Million (WebAIM Million Report, The WebAIM Million)
An annual accessibility evaluation study conducted by WebAIM (Web Accessibility In Mind) that automatically tests the home pages of the top one million websites against WCAG 2 success criteria. The st…
Widget (UI Widget, Web Widget, Interactive Component)
A discrete user interface object that users can interact with, such as a dropdown menu, slider, tab panel, date picker, modal dialog, or autocomplete field. The W3C defines a widget as a "discrete use…
Widget accessibility (ARIA widget roles, Custom control accessibility)
The practice of ensuring that interactive user interface components — such as drop-down menus, tab panels, accordions, modal dialogs, and sliders — are operable and perceivable by users of assistive t…
axe DevTools (axe, axe-core)
A widely used suite of automated accessibility testing tools developed by Deque Systems, available as browser extensions, command-line tools, and integrable libraries. The axe-core engine is an open-s…