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In evaluating the performance efficiency of BOSESKO, we used open-source automated tools like WebPageTest, Google Lighthouse, PageSpeed Insights, and Yellow Lab. Additionally, proprietary software, Pingdom, was also used to check if disparities would emerge in the results compared to those generated from free tools. Whereas a usability questionnaire with 36 items, addressing each of the six sub-characteristics namely appropriateness recognizability, learnability, operability, user error protection, user interface aesthetics, and accessibility was adapted into an online survey using Google Forms. A five-point Likert scale was used to determine user¡¯s perception.
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