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a11yShiny: Accessibility for R Shiny Apps

The a11yShiny project provides tools and guidance to improve accessibility of R Shiny web applications, helping developers create apps that are usable by people with disabilities through enhanced keyboard navigation, screen reader support, and compliance with accessibility standards.

Background

- R Shiny is a popular framework for building interactive web apps using the R programming language, widely used in data science, academia, and government. - "a11y" is numeronym shorthand for "accessibility" (11 letters between a and y). Accessibility means designing software usable by people with disabilities (e.g., screen-reader users, those with limited vision or motor control). - The German Federal Ministry of Education and Research (BMBF) funded this project, highlighting government interest in accessible data tools. - a11yShiny provides an R package with UI components (tabs, sliders, tables, etc.) that are pre-configured to meet WCAG (Web Content Accessibility Guidelines) standards — normally Shiny apps require manual, often neglected accessibility work. - Why it matters: As governments and organizations release more interactive data dashboards built in Shiny, inaccessible design excludes millions of users and can violate legal accessibility mandates (e.g., EU Web Accessibility Directive, US Section 508, German BITV).

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