Quality-in-Use (QinU) is one of the most important quality aspects of a web application, which represent users' viewpoint. Measuring QinU gives a strong indicator on the success of web applications. In addition, it has been used frequently to evaluate the overall quality of web applications. There are many studies in QinU that enriched the science of web engineering. However, contributions of these studies were dispersed and usually address a certain aspect of QinU. This study attempts to gather and improve the best contributions of the previous studies in a conceptual framework to evaluate QinU based on ISO/IEC 25010 and 25012 standards. The outcome is a proposed framework, which will demonstrate the procedural flow between different stakeholders (Decision-maker, Evaluator, Developer and End-user). This procedural flow affects the evaluation process of web application quality. Furthermore, the framework demonstrates the process of measuring QinU attributes by implementing the proposed Quality-in-Use Evaluation Model (QinUEM). The future works are to evaluate the Quality-in-Use of several web applications using the proposed conceptual framework and test the results using quantitative and qualitative methods. � 2015 IEEE.

Quality-in-Use (QinU) is one of the critical quality factors in measuring website quality. Most existing studies on measuring website quality only focuses on evaluating quality from the user point of view but not on the similarities and the differences between the users and decision-makers perspective. Different stakeholders have a different preference in term of quality aspects that are important. The objective of this study is to analyze the quality aspects of the websites from different stakeholders' perspectives and rank the websites based on the results. In this study, we develop a Quality-in-Use Evaluation Model (QinUEM) to identify the quality aspects' priorities. Two quantitative approaches were used for this purpose. The first was a Multi-Criteria Decision Making (MCDM) approach using the Fuzzy Analytic Hierarchy Process (FAHP) method to determine the priority and the weight of each quality aspect from the users' viewpoint. Then the statistical analysis was used to determine the priority of the same quality aspect from the developers' perspective. To evaluate the model, we conducted a survey. The respondents of the survey were the students (users) and developers (decision-makers) from six Malaysian universities with 486 numbers of questionnaires been distributed. Based on the results, it shows users (students) prefer Functional Quality rather than Content and Appearance Qualities while the decision makers (developers) favor on Content rather than Appearance and Functional Qualities. These results show different viewpoint and priority in quality aspects needed for users and decision-makers. Based on the results we then used the QinUEM to rank the universities websites according to the defined QinU. � 2018, Insight Society.

Quality-in-Use (QinU) is considered to be one of the most important quality aspects of a website, which represent users� standpoint of quality. Measuring QinU provides a solid sign of the success of the websites. In addition, QinU has been used frequently to evaluate the overall quality of websites. Also, QinU has been used to evaluate the satisfaction of websites. In a matter of fact, the awareness of the importance of web quality stimulated developers, analysts, researchers, organizations to define and develop many methods and models to ensure the quality of the websites. This study endeavors to improve a new framework to evaluate QinU based on the ISO/IEC 25010 and 25012 standards. The outcome is a new method that will be used to measure QinU using the satisfaction factor and quality aspects, taking into account the roles of different website stakeholders, i.e., Decision-maker, Evaluator, Developer, and End-user. Furthermore, the framework contains two models; the first is the Quality-in-Use Evaluation Model (QinUEM) which identifies the quality aspects and satisfaction attributes, while the second is the Quality-in-Use Evaluation Process (QinUEP) which controls the flow of the evaluation process. Evaluating the Quality-in-Use of several websites using the proposed models will be the future work. � 2017 American Scientific Publishers All rights reserved.