Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Accessibility Metric(also: Web Accessibility Metric, Accessibility Score)
- A quantitative measure used to assess and compare the accessibility quality of web pages or websites. Accessibility metrics typically calculate a score (often 0-100%) based on the number and severity of WCAG violations found, weighted by conformance level (Level A weighted…
- Accessibility Metric(also: Web Accessibility Metric, Accessibility Quality Metric)
- An accessibility metric is a quantitative measure used to assess the level of accessibility compliance of a web page or website. Metrics typically derive from the results of automated or manual evaluation of WCAG checkpoints, aggregating pass/fail/warning outcomes into a single…
- Accessibility Progress Formula(also: APPF, Accessibility Progress Percentage)
- A formula for quantitatively tracking progress in addressing accessibility issues on a website, expressed as APPF = A / ((A + B) + (T - C)), where A is the number of applicable checklist items that have been addressed, B is the number not yet addressed, T is the total number of…
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