Glossary

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LLM Accessibility(also: AI-Generated Accessibility, Generative AI Accessibility)

The study and practice of how large language models (LLMs) and generative AI tools handle digital accessibility in their outputs, particularly when generating code, user interfaces, or content. Research in this area examines whether LLM-generated code meets accessibility…

Landmarks(also: ARIA Landmarks, Page Landmarks, Landmark Regions)

Designated regions of a web page that provide structural navigation points for assistive technology users. ARIA landmark roles include banner, navigation, main, complementary, contentinfo, search, form, and region. Screen reader users can jump between landmarks using keyboard…

Layout Table(also: Presentational Table)

An HTML table element used to control the visual positioning of content on a web page rather than to present tabular data. Layout tables were a common web design technique before CSS became widely supported, but their use is now considered a significant accessibility barrier.…

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…

Linked Data(also: Linked Open Data, LOD)

A method of publishing structured data on the web so that it can be interlinked and queried across different sources using standard web technologies such as URIs and RDF (Resource Description Framework). In accessibility contexts, linked data has been proposed as a way to…

Live Region(also: ARIA Live Region, aria-live)

A section of a web page that is dynamically updated and announced by assistive technologies without requiring the user to navigate to it. Live regions are defined using the WAI-ARIA aria-live attribute, which can be set to "polite" (announced when the screen reader is idle),…

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