Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• TaskAudit: Detecting Functiona11ity Errors in Mobile Apps via Agentic Task Execution

  Mingyuan Zhong, Xia Chen, Davin Win Kyi, Chen Li, James Fogarty, Jacob O. Wobbrock (2026) — Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI '26)

  This CHI 2026 paper introduces TaskAudit, an automated accessibility evaluation system for mobile apps that detects what the authors coin 'functiona11ity errors' — accessibility barriers that only manifest through interaction, where a UI's static sta…

  • mobile accessibility
  • accessibility auditing
  • automated accessibility testing
  • generative agents
  • large language models
  • screen readers
  • TalkBack
  • WCAG
  • Android
  • agentic AI

• Bridging the Gap between Automated Intervention and Actual User Experience: A Mixed-Methods Study on Mobile Accessibility Issues for Screen Reader Users

  Syed Fatiul Huq, Ziyao He, Yirui He, Sam Malek (2026) — Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI '26)

  This CHI 2026 paper by Huq, He, He, and Malek (UC Irvine) argues that existing automated accessibility testing tools for mobile apps do not faithfully represent what blind screen reader users actually experience, and proposes a user-aware categorisat…

  • mobile accessibility
  • screen readers
  • TalkBack
  • automated accessibility testing
  • software accessibility
  • accessibility user testing
  • Android accessibility
  • WCAG
  • systematic literature review
  • blindness and low vision

• Combining Semantic Tools for Automatic Evaluation of Alternative Texts

  Carlos Duarte, Carlos M. Duarte, Luís Carriço (2019) — Proceedings of the 16th International Web for All Conference (W4A)

  This paper presents SCREW v2, an updated algorithm for automatically assessing the quality of alternative texts for images on web pages from an accessibility perspective. The work is motivated by the EU Directive 2016/2102, which requires monitoring …

  • alternative text
  • automated accessibility testing
  • image accessibility
  • semantic analysis
  • computer vision
  • artificial intelligence
  • WCAG
  • web accessibility
  • accessibility evaluation
  • natural language processing

• Towards Optimised Population Sourcing for Web Accessibility Evaluation

  Alexander Hambley (2023) — Proceedings of the 20th International Web for All Conference (W4A '23)

  This doctoral consortium extended abstract presents a PhD project proposing a novel framework and prototypical tool for optimising web accessibility evaluation through statistically representative page sampling. The work is the single-author companio…

  • automated accessibility testing
  • web accessibility
  • accessibility evaluation
  • web crawling
  • machine learning
  • WCAG compliance
  • accessibility standards
  • large-scale analysis

• OPTIMAL-EM: Optimised Population Sourcing for Web Accessibility Evaluation

  Alexander Hambley, Yeliz Yesilada, Markel Vigo, Simon Harper (2023) — Proceedings of the 20th International Web for All Conference (W4A '23)

  This extended abstract presents OPTIMAL-EM, a prototypical tool and framework designed to optimise the web accessibility evaluation process by systematically selecting representative pages from a website for auditing. Currently, accessibility evaluat…

  • automated accessibility testing
  • web accessibility
  • accessibility evaluation
  • web crawling
  • machine learning
  • WCAG compliance
  • accessibility standards
  • large-scale analysis

• Accessibility Metatesting: Comparing Nine Testing Tools

  Jonathan Robert Pool (2023) — Proceedings of the 20th International Web for All Conference (W4A '23)

  This short paper presents a systematic empirical comparison of nine automated web accessibility testing tools that are amenable to integration into multi-tool testing regimes (free or nearly free, controllable via APIs or NPM packages, and comprehens…

  • automated accessibility testing
  • web accessibility
  • accessibility testing
  • accessibility evaluation
  • WCAG compliance
  • developer tools
  • accessibility violations
  • tools

• LLMs for Accessibility in Mobile Apps: Detection and Repair

  Wajdi Aljedaani, Ahmed Aljohani, Marcelo M. Eler, Abdulrahman Habib, Hyunsook Do (2025) — Proceedings of the 22nd International Web for All Conference (W4A 2025)

  This study evaluates the capacity of three large language models—GPT-4o, Gemini 1.0 Pro, and Llama 3—to detect, classify, and remediate accessibility violations in Android mobile applications. While prior LLM accessibility research has focused primar…

  • mobile accessibility
  • large language models
  • Android accessibility
  • automated accessibility testing
  • accessibility remediation
  • code generation