Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Lighthouse(also: Google Lighthouse, Chrome Lighthouse)
- An open-source automated tool developed by Google for auditing web page quality, including performance, accessibility, SEO, and progressive web app compliance. Lighthouse runs in Chrome DevTools, as a browser extension, or via command line, and produces scores from 0-100 for…
- Listenability(also: Auditory Readability, Speech-Output Quality)
- A web-accessibility usability metric that measures how appropriate a page's rendered text is when read aloud by a screen reader or voice browser — complementary to, and distinct from, raw WCAG conformance. Listenability penalises meaningless or placeholder ALT text (such as…
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