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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Accessibility Checker(also: Accessibility Evaluation Tool, Accessibility Scanner, A11y Checker)
An accessibility checker is a software tool that analyzes web content to identify potential barriers for people with disabilities, typically by testing against established guidelines such as WCAG or Section 508. Accessibility checkers range from browser extensions and…
Accessibility Crawler(also: automated accessibility crawler, app crawler for accessibility)
An automated tool that systematically explores an application's user interface—by simulating taps, swipes, and navigation—to discover screens and UI components and then evaluate each against accessibility rules without human involvement. On Android, crawlers typically drive the…
Accessibility Scanner(also: Google Accessibility Scanner, Android Accessibility Scanner)
A testing tool developed by Google that scans Android app screens for common accessibility issues. The scanner checks for problems such as missing content descriptions on interactive elements, insufficient touch target sizes, and low color contrast. It can be run on any Android…
Accessmonkey
Accessmonkey was a 2007 client-side scripting framework, built on Greasemonkey for Mozilla Firefox, that let users and developers run site-specific JavaScript to repair inaccessible web pages on the fly. Scripts could add alternative text, restructure pages, or inject…

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