The anatomy of a large-scale hypertextual Web search engine
WWW7 Proceedings of the seventh international conference on World Wide Web 7
Proceedings of the 9th international World Wide Web conference on Computer networks : the international journal of computer and telecommunications netowrking
Barriers to use: usability and content accessibility on the Web's most popular sites
CUU '00 Proceedings on the 2000 conference on Universal Usability
ACM Transactions on Internet Technology (TOIT)
Mercator: A scalable, extensible Web crawler
World Wide Web
Contextual web accessibility - maximizing the benefit of accessibility guidelines
W4A '06 Proceedings of the 2006 international cross-disciplinary workshop on Web accessibility (W4A): Building the mobile web: rediscovering accessibility?
Characterization of national Web domains
ACM Transactions on Internet Technology (TOIT)
Quantitative metrics for measuring web accessibility
W4A '07 Proceedings of the 2007 international cross-disciplinary conference on Web accessibility (W4A)
MapReduce: simplified data processing on large clusters
OSDI'04 Proceedings of the 6th conference on Symposium on Opearting Systems Design & Implementation - Volume 6
Foundations and Trends in Web Science
Effects of sampling methods on web accessibility evaluations
Proceedings of the 9th international ACM SIGACCESS conference on Computers and accessibility
The impact of accessibility assessment in macro scale universal usability studies of the web
W4A '08 Proceedings of the 2008 international cross-disciplinary conference on Web accessibility (W4A)
Proceedings of the 18th international conference on World wide web
Metrics for accessibility on the Vamolà project
Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)
How much does expertise matter?: a barrier walkthrough study with experts and non-experts
Proceedings of the 11th international ACM SIGACCESS conference on Computers and accessibility
Automatic checking of alternative texts on web pages
ICCHP'10 Proceedings of the 12th international conference on Computers helping people with special needs: Part I
Interpreting results from large scale automatic evaluation of web accessibility
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
On web accessibility evaluation environments
Proceedings of the International Cross-Disciplinary Conference on Web Accessibility
Evaluating the accessibility of rich internet applications
Proceedings of the International Cross-Disciplinary Conference on Web Accessibility
A macroscopic web accessibility evaluation at different processing phases
Proceedings of the International Cross-Disciplinary Conference on Web Accessibility
Sirius: A heuristic-based framework for measuring web usability adapted to the type of website
Journal of Systems and Software
Three web accessibility evaluation perspectives for RIA
Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility
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The Web Science framework poses fundamental questions on the analysis of the Web, by focusing on how microscopic properties (e.g. at the level of a Web page or Web site) emerge into macroscopic properties and phenomena. One research topic on the analysis of the Web is Web accessibility evaluation, which centres on understanding how accessible a Web page is for people with disabilities. However, when framing Web accessibility evaluation on Web Science, we have found that existing research stays at the microscopic level. This article presents an experimental study on framing Web accessibility evaluation into Web Science's goals. This study resulted in novel accessibility properties of the Web not found at microscopic levels, as well as of Web accessibility evaluation processes themselves. We observed at large scale some of the empirical knowledge on how accessibility is perceived by designers and developers, such as the disparity of interpretations of accessibility evaluation tools warnings. We also found a direct relation between accessibility quality and Web page complexity. We provide a set of guidelines for designing Web pages, education on Web accessibility, as well as on the computational limits of large-scale Web accessibility evaluations.