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• Towards Real-Time Measurements of Internet Health: Optimizing Large-Scale Web Accessibility Evaluations

  Luís P. Carvalho, Tiago Guerreiro, Shaun Lawson, Kyle Montague · 2023 · Proceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2023)

  This paper investigates how to optimize page sampling strategies for large-scale web accessibility evaluations, aiming to make near real-time measurements of Internet Health feasible. Current large-scale accessibility studies are financially and time exhaustive, typically…

  web accessibility · large-scale evaluation · automated testing · internet health · WCAG

• Active Learning for Web Accessibility Evaluation

  Mengni Zhang, Can Wang, Zhi Yu, Chao Shen, Jiajun Bu · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

  This paper introduces "active-prediction," a semi-supervised machine learning method that addresses a fundamental bottleneck in web accessibility evaluation: the prohibitive cost of evaluating all pages in a large website. Current practice relies on sampling methods (ad hoc,…

  accessibility evaluation · machine learning · active learning · web accessibility · automated testing

• An Optimal Sampling Method for Web Accessibility Quantitative Metric

  Mengni Zhang, Can Wang, Jiajun Bu, Zhi Yu, Yi Lu, Ruijie Zhang, Chun Chen · 2015 · Proceedings of the 12th International Web for All Conference (W4A 2015)

  This short paper proposes OPS-WAQM, an optimal page sampling method specifically designed for use with the Web Accessibility Quantitative Metric (WAQM) when evaluating large websites. The core problem is that evaluating every page of a large website for accessibility is…

  accessibility evaluation · sampling methods · accessibility metrics · WAQM · large-scale evaluation

• Web accessibility snapshot: an effort to reveal coding guidelines conformance

  Vagner Figueredo de Santana, Rogério Abreu de Paula · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents the first iteration of the Web Accessibility Snapshot (WAS) project, a large-scale automated evaluation of web accessibility conformance across two sets of 1,000 websites each: the Alexa top 1,000 most popular sites and a randomly generated sample of 1,000…

  automated testing · WCAG compliance · web accessibility · accessibility metrics · web standards

• A Macroscopic Web Accessibility Evaluation at Different Processing Phases

  Nádia Fernandes, Luís Carriço · 2012 · Proceedings of the International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper investigates a fundamental question about automated accessibility evaluation: does it matter whether you evaluate a web page as it arrives from the server (before browser processing) or as the user actually experiences it (after browser processing, including…

  automated testing · large-scale evaluation · web accessibility · browser processing · dynamic content

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