A mental illness is a syndrome, psychological, or behavioral disorder in which a person is dysfunctional at work. The problem is that medical personnel or doctors who are professionals in the field of psychology are not comparable to mental illness, especially teenagers. The initial diagnosis by web based and using the Extreme Programming (XP) method. Meanwhile, the main objective of the research is to determine the quality of the web system based on the perceptions of respondents, namely Darul Ihsan Vocational High School students. Measuring the quality of an expert web system using the WebQual instrument. There are three aspects of WebQual that will be measured, namely: usability, information, and interaction quality. Based on the questionnaires distributed to respondents, the expert web system was developed to fulfill the three aspects of WebQual (usability, information, and interaction, with a score of 83.78%, 80%, and 82.97% in the good category.

This study aims to determine the effect of performance expectancy, effort expectancy, social influence, facilitating conditions on Behavioral intentions among students Tarbiyah and Teacher Training Faculty (FTK), State Islamic University of Ar-Raniry (UIN Ar-Raniry), in using e-commerce Shopee. The sample used in this study were students who had used e-commerce Shopee. We used the Unified Theory of Acceptance and Use of Technology (UTAUT) methodology in this study by distributing questionnaires both in paper based and by utilizing the google form application. The results of this study indicate that the four factors studied has the positive effects on Behavioral Intention of FTK’s students by 42%.