engleski

Quality Model for the World Wide Web

This paper proposes the quality model and methodology that guides the Web site quality evaluation. The model can be viewed as a hierarchical tree with three levels. The first level is composed of six quality characteristics defined by ISO standards: functionality, usability, reliability, efficiency, maintainability and portability. The second level decomposes characteristics into subcharacteristics, which are further decomposed into third-level measurable indicators. The four stages of evaluation process are defined. The paper proposes the application of Goal-Question-Metrics model to evaluate indicators, subcharacteristics and characteristics, as well as the overall quality of the site. The proposed model and metrics are verified on the selected set of Web sites at the Faculty of Electrical Engineering and Computing.

world wide web; quality; quality model; web usability; www

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