Automated Web Site Evaluation: Researchers' and Practitioners' Perspectives
Among all information systems that are nowadays available, web sites are definitely the ones having the widest potential audience and the most significant impact on the everyday life of people. Web sites contribute largely to the information society: they provide visitors with a large array of services and information and allow them to perform various tasks without prior assumptions about their computer literacy. Web sites are assumed to be accessible and usable to the widest possible audience. Consequently, usability has been recognized as a critical success factor for web sites of every kind. Beyond this universal recognition, usability still remains a notion that is hard to grasp. Summative evaluation methods have been introduced to identify potential usability problems to assess the quality of web sites. However, summative evaluation remains limited in impact as it does not necessarily deliver constructive comments to web site designers and developers on how to solve the usability problems. Formative evaluation methods have been introduced to address this issue. Evaluation remains a process that is hard to drive and perform, while its potential impact is probably maximal for the benefit of the final user. This complexity is exacerbated when web sites are very large, potentially up to several hundreds of thousands of pages, thus leading to a situation where eval uating the web site is almost impossible to conduct manually. Therefore, many attempts have been made to support evaluation with: • Models that capture some characteristics of the web site of interest.
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10.1 Automated audience automated analysis support automated critique support automated evaluation tools automated web site Ben Shneiderman Chapter conducted contains information design and development design and evaluation design guidelines design process designing web pages Diminished user abilities discuss Doug Shelton Draisin eval evaluation methodologies evaluation tools Table Font Foreword formatting ranges Gaskin graph theory graphical user interfaces help practitioners Human-Computer Interaction impact improve the usability inspection methods Ivory Kayvan Sootodeh Landay Marti Hearst Melody Ivory's methodologies and tools Metrics Computation Tool Microsoft Research models practices practition produce usability provide an overview Rashmi Sinha research domain researchers and practitioners Ronald Ringo Shneiderman simulation methods studies suggest that researchers support for inspection support for simulation support for usability survey Synopsis of automated Tiffany Shlain Tool developers universal benefit universal usability usability engineering usability evaluation usability problems usability testing methods usable and accessible validated web site evaluation Webby Awards William Kahan