https://jurnal.kharisma.ac.id/kharismatech/issue/feed KHARISMA Tech 2024-03-15T09:54:49+08:00 Hasniati hasniati@kharisma.ac.id Open Journal Systems <p><img src="/public/site/images/puslit_admin/KHARISMATech_b.png"><br>ISSN: <a href="http://u.lipi.go.id/1180426221" target="_blank" rel="noopener"><strong>1907-2317</strong></a></p> <p>e-ISSN: 2810-0344</p> <p>&nbsp;</p> <p>This journal is limited to the publication of scientific papers on the results of the Thesis / Final Project research of STMIK KHARISMA Makassar students, in the scope of information systems, information technology, and computer science, under the guidance and review by a team of supervisors from lecturers who are experienced in their fields</p> https://jurnal.kharisma.ac.id/kharismatech/article/view/413 MIND & SOUL WEBSITE PERFORMANCE ANALYSIS USING GTMETRIX AND WEBPAGETEST 2024-03-15T09:54:32+08:00 Ficky Ham fickyham_19@kharisma.ac.id Izmy Alwiah Musdar izmyalwiah@kharisma.ac.id Hasniati hasniati@kharisma.ac.id <p><em>The Mind &amp; Soul website is a website-based application developed to facilitate users in ordering and processing mental health counseling online with a counselor which can be accessed via the link https://mindandsoulofficial.com/. The performance of the Mind &amp; Soul website requires detailed analysis to find out what the website's performance is like and what deficiencies the Mind &amp; Soul website has. The purpose of this research is to test the performance of the Mind &amp; Soul website using GTMetrix and WebPageTest so as to find out the performance details. Performance testing on the Mind &amp; Soul website will be carried out using two tools, namely GTMetrix and WebPageTest. The collection method was carried out using the observation method, in which the researcher tested directly on the Mind &amp; Soul website using GTMetrix and WebPageTest tools. Based on the results of the Mind &amp; Soul website performance test on GTMetrix, all desktop and mobile website pages got grade A which means very good, while the results of the performance test using WebPageTest showed that the speed of all desktop and mobile pages is not bad and some pages still need to be improved from usability and ductility factors.</em></p> 2023-11-07T11:04:22+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/406 Usability Analysis of the Just Meme Application based on Nielsen's Model 2024-03-15T09:54:35+08:00 Cindy Pricilia cpricilia01@yahoo.com Sudirman sudirman@kharisma.ac.id Marlina marlina@kharisma.ac.id <p><em>Just Meme is a mobile-based digital platform where users can create or edit memes and share them on various social media platforms such as Instagram, WhatsApp, and other media-sharing applications available within the app. This research aims to analyze the level of usability of the Just Meme application. To determine the usability level of Just Meme, an analysis is conducted using Nielsen's model, which consists of five parameters: Learnability, Memorability, Efficiency, Error, and Satisfaction. Data collection is carried out through a Google Form questionnaire with a total of 37 respondents, and the statistical analysis is performed using IBM SPSS 26. The questionnaire used in this study is based on Nielsen's model to measure usability with the five main variables. The results of the analysis indicate that the efficiency and satisfaction variables have a positive and significant impact on usability. On the other hand, the learnability, memorability, and error variables have a positive but not significant impact on usability. Furthermore, these five variables collectively contribute 8.2% to the usability of Just Meme</em><em>.</em></p> 2023-11-07T11:05:59+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/453 ANALISIS KEPUASAN PENGGUNA APLIKASI MYTELKOMSEL MENGGUNAKAN PIECES FRAMEWORK 2024-03-15T09:54:37+08:00 calvin crystanto calvincrystanto_20@kharisma.ac.id Abdul Munir S abdulmunir@kharisma.ac.id Hendra Surasa hendrasurasa@kharisma.ac.id <p><em>The aim of this research is to measure the level of satisfaction of MyTelkomsel application users. This research was carried out by means of analysis using the PIECES method (Performance, Information, Economy, Control, Efficiency, and Service). This research specifically surveyed 30 STMIK Kharisma Makassar students who used the MyTelkomsel application using the Google form. The calculation process will use a likes scale. The results of this research survey show that the level of satisfaction of 30 STMIK Kharisma Makassar students based on each variable is as follows: Performance 4.06 (satisfied), Information 4.17 (satisfied), Economy 4.22 (satisfied), Control and Security 3.3 (undecided), Efficiency 4.03 (satisfied), and Service 4.1 (satisfied).</em></p> 2023-11-07T11:07:23+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/405 ANALYSIS OF MAXIM APPLICATION USAGE TO IMPROVE SERVICE QUALITY USING THE USER EXPERIENCE QUESTIONNAIRE (UEQ) 2024-03-15T09:54:38+08:00 Jannuar Gideon Liwandouw jannuargideon_20@kharisma.ac.id Arfan Yunus arfanyunus@kharisma.ac.id Yeni Saharaeni yenisaharaeni@kharisma.ac.id <p style="margin: 0cm; text-align: justify; text-indent: 1.35pt;"><em><span style="font-family: 'Arial',sans-serif; color: black;">The purpose of this study is to analyze the use of the maxim application to improve service quality using the User Experience Questionnaire (UEQ). This study used the User Experience Questionnaire (UEQ) research method and in this study also collected questionnaire data and a total sample of 50 people. Sources of data in this study are primary and secondary data. With the stages of research starting from determining the formulation of the problem, analyzing needs, determining questions, determining respondents, measuring UEQ, and the last is drawing conclusions. The results of this study indicate that the service quality of the Maxim application still needs to be improved. This is supported by the results of the benchmark diagram where the average is in the yellow area which means below average and even red which means bad. Of the 6 existing aspects or scales, 3 aspects that are suggested to be updated or improved are attractiveness, accuracy, and novelty.</span></em></p> 2023-11-07T11:08:40+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/446 PERANCANGAN PROTOTYPE APLIKASI MOBILE FRIZFOO MENGGUNAKAN METODE USER CENTERED DESIGN 2024-03-15T09:54:39+08:00 Juan kristo limputra juankristo_20@kharisma.ac.id Sudirman sudirman@kharisma.ac.id Mohammad Sofyan S Thayf sofyan.thayf@kharisma.ac.id <p><em>This research involves the design of a mobile application prototype called Frizfoo using the User-Centered Design (UCD) approach to ensure the alignment between design and user needs. Primary data was obtained through interviews and observations of five Frizfoo users, using the "magic number five" approach to identify usability issues. The analysis results showed significant problems with some tasks. Furthermore, the research measured the time required to complete tasks (Time on Task) and the error rate (Errors) made by users. It was found that one user experienced delays in completing some tasks, attributed to factors such as age and lower technological skills. However, these delays were still within acceptable limits. The average error rate for all tasks was approximately 5.30%. The testing results indicated that the designed interface of the mobile application had low error rates, efficient task completion times, and a high level of user satisfaction. Adjustments and design improvements made based on the testing results had a significant positive impact on the performance and responsiveness of the mobile application prototype. This research provides a clearer insight into the quality of the Frizfoo application prototype design and serves as a foundation for further development that better aligns with user needs.</em></p> <p>&nbsp;</p> 2023-11-07T11:10:11+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/421 Pemanfaatan Enkripsi Data Berbasis Algoritma Blowfish Pada Aplikasi Password Manager RememberMe! 2024-03-15T09:54:40+08:00 Christian Rayhan Suryanto christianrayhan_20@kharisma.ac.id Mohammad Fajar fajar@kharisma.ac.id Hasniati hasniati@kharisma.ac.id <p><em>Password manager RememberMe merupakan salah satu aplikasi yang dapat digunakan oleh penggunanya untuk mengelola dan melindungi kata sandi dari berbagai aplikasi di internet. Sebagai aplikasi yang mengelola data yang sangat penting, tentunya diperlukan tambahan lapisan keamanan di sisi data pengguna yang tersimpan di basis data. Oleh karena itu penelitian ini bertujuan untuk memanfaatkan algoritma blowfish dalam melakukan enkripsi data pengguna yang akan disimpan di basis data dan meng-evaluasi kinerja aplikasi. Pengumpulan data dilakukan dengan mengevaluasi proses enkripsi dan dekripsi serta observasi kinerja aplikasi password manager RememberMe! terhadap aspek waktu tanggap, ukuran data hasil enkripsi, dan pemakaian bandwitdth. Hasil evaluasi menunjukkan data pengguna khususnya password berhasil dienkrip kemudian disimpan ke basis data serta berhasil didekrip ketika digunakan kembali oleh pengguna. Selain itu pengujian waktu tanggap rata-rata berada dibawah 1 detik, ukuran data enkripsi relatif sebesar 22 byte dan total data bandwidth sent yaitu relatif kurang&nbsp;dari&nbsp;5&nbsp;MB.</em></p> 2023-11-07T11:11:49+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/470 IMPLEMENTATION OF THE WEBQUAL 4.0 METHOD IN ANALYZING USER SATISFACTION OF THE SEARCH BUDDY WEBSITE 2024-03-15T09:54:41+08:00 Eka Prasetyo Tanriady ekaprasetyo_20@kharisma.ac.id Abdul Munir abdulmunir@kharisma.ac.id Hendra Surasa hendrasurasa@kharisma.ac.id <p><em>Search Buddy is a website that provides service search services accessible through any platform. To consistently meet users' expectations of the website's services, an analysis of the website is essential. The conducted research aims to implement the WebQual 4.0 method in analyzing the quality and user satisfaction of the Search Buddy website. The WebQual 4.0 method is a framework that encompasses three main dimensions: usability quality, information quality, and service interaction quality. This method is considered suitable as it measures website quality from the perspective of end users. The analysis results indicate that the variables of usability quality and service interaction quality have a positive impact on user satisfaction. However, the information quality variable does not have a positive impact on user satisfaction. The coefficient of determination analysis shows that the variables of usability quality, information quality, and service interaction quality collectively influence user satisfaction by 40.3%. Based on these findings, it is recommended to pay attention to the aspects of usability quality and service interaction quality present on the website. Additionally, there is a need to enhance the quality of information presented on the website to make it more informative, relevant, and user-friendly, thereby potentially elevating user satisfaction with the Search Buddy website.</em></p> 2023-11-07T11:13:05+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/464 SENTIMENT ANALYSIS OF 2024 PRESIDENTIAL CANDIDATE USING THE SUPPORT VECTOR MACHINE ALGORITHM ON TWITTER 2024-03-15T09:54:42+08:00 Wilson Winarto wilsonwinarto_20@kharisma.ac.id Izmy Alwiah Musdar izmyalwiah@kharisma.ac.id Hasniati Hasniati hasniati@kharisma.ac.id <p>Indonesian is a democratic country with a huge population and the largest Twitter users in the world. The 2024 presidential election in Indonesia is an interesting topic for Twitter users. Public tweets related to presidential candidates can be used to see a picture of public opinion on presidential candidates. The large number of incoming tweets about presidential candidates encourages the need for methods that help to see public opinion effectively. One method that can be used to classify public opinion effectively is Support Vector Machine (SVM). This method will classify whether a public opinion belongs to a positive or negative sentiment by finding the best hyperlane from both classification classes. The addition of the Kernel function to the Support Vector Machine is useful for dealing with data that is not linearly separated. The use of the K-Fold Cross Validation Method is intended so that data can alternately become test data so as to increase accuracy. Weighting is done using the Term Frequency Document Inverse Frequency (TF-IDF). System evaluation was carried out using a confusion matrix to measure the accuracy of the system in classifying the average accuracy using a linear kernel. The results of the classification obtained by Anies Baswedan get an accuracy of 78.28% and a precision of 81.298%. Ganjar Pranowo received an accuracy of 82.494% and a precision of 85.642%. Prabowo Subianto received an accuracy of 83.904% and a precision of 86.22%.</p> 2023-11-07T11:14:16+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/437 ANALYSIS AND DESIGN OF USER INTERFACE IN REPARATION APPLICATIONS USING THE GOAL DIRECTED DESIGN METHOD 2024-03-15T09:54:43+08:00 Henderson Ruslim hendersonruslim_20@kharisma.ac.id Abdul Munir abdulmunir@kharisma.ac.id Hendra Surasa hendrasurasa@kharisma.ac.id <p>This research aims to redesign the user interface of the Reparation application, a motorcycle repair service in Makassar, using the Goal-Directed Design (GDD) method. Data collection was carried out through interviews and questionnaires with 20 users, and the data was processed using the System Usability Scale (SUS). The initial test obtained an average SUS score of 46.375 with a "Not Acceptable" rating. The second test used a new design prototype, which achieved an average score of 84.5 with an "Acceptable" rating. These results indicate an improvement in interface quality from the "Poor" category to "Excellent". With an average score of 84.5 in the second test, the new design has met the standard average SUS of 68. Thus, the prototype design using GDD has successfully met user needs and produced an attractive and user-friendly interface.</p> 2023-11-07T11:15:41+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/473 Evaluation of User Interface in the Just Meme Application Using the Heuristic Evaluation Method 2024-03-15T09:54:44+08:00 Ryu Ryu Wilsal ryuwilsal_20@kharisma.ac.id Syaiful Rahman syaifulrahman@kharisma.ac.id Arianti Arianti arianti@kharisma.ac.id <p><em>Just Meme is a mobile application used for expressing people's feelings by creating stickers, GIFs, and funny videos. The aim of this research is to evaluate the user interface of the Just Meme application using the Heuristic Evaluation Method. Prior to this study, the researcher conducted an evaluation with 20 users of the Just Meme application, resulting in a plethora of user comments. Consequently, the researcher decided to assess the quality of the user interface in the Just Meme application with the goal of ensuring user satisfaction with the new feature displays and attracting more users to use this application. This was accomplished by distributing questionnaires to individuals considered experts in the field. The research findings, based on the ten principles of Heuristic Evaluation, revealed two principles with significantly higher scores than the others. Firstly, "recognition rather than recall" received a total score of 1.444 (cosmetic problem), indicating no need for improvement as it does not affect the user. Secondly, "Help and Documentation" scored similarly, with a total of 1.333 (cosmetic problem), suggesting that no significant improvements are required, and it does not impact the user</em></p> 2023-11-07T11:17:00+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/442 ANALISIS ANTARMUKA APLIKASI NAVYFRIEND MENGGUNAKAN METODE USABILITY TESTING 2024-03-15T09:54:45+08:00 Ronald Candana ronaldcandana_20@kharisma.ac.id Baizul Zaman baizul@kharisma.ac.id Syamsul Bahri syamsulbahri@kharisma.ac.id <p>The research aims to analyze the usability level of the NavyFriend application in three <br>aspects: effectiveness, efficiency, and user satisfaction. Testing was conducted by providing <br>5 task scenarios to 20 respondents to measure the effectiveness and efficiency of the <br>NavyFriend application. This was followed by administering the SUS questionnaire to assess <br>the satisfaction aspect experienced by the respondents after using the NavyFriend <br>application. The test results showed an average score of 100% for the effectiveness and <br>efficiency aspects, while the satisfaction aspect obtained an average score of 64. It can be <br>concluded that the user experience is still lacking, as the score of 64 including into the "OK" <br>rating but with a grade scale of "D." Therefore, the study suggests that the NavyFriend <br>application needs a redesign of the interface and the addition of useful features for users. <br>With these improvements, it is expected that the usability level of the NavyFriend application <br>will be enhanced.</p> 2023-11-07T11:18:28+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/451 Redesigning the User Interface for the Just Meme Application Using the Design Thinking Method 2024-03-15T09:54:46+08:00 Rafli Gozalianto Gozalianto rafligozalianto_20@kharisma.ac.id Himala Praptami Adys himalapraptami@kharisma.ac.id Baizul Zaman baizul@kharisma.ac.id <p><em>This study aims to modify the user interface (UI) of the Just Meme application by applying the design thinking approach to achieve a better UI. Data collection was conducted by distributing questionnaires to 21 respondents using Google Form. The collected data was then processed using the System Usability Scale (SUS) method. The initial UI testing with the SUS method resulted in a score of "41.19" with a rating of "Okay." Based on these results, the Just Meme application was redesigned using the Design Thinking approach. The new prototype resulting from this method was then retested using the SUS method. The prototype testing yielded a score of "76.30" with a rating of "Excellent”. It can be concluded that through the design thinking approach in redesigning the UI, the study successfully addressed the issues faced by users and produced a design with improved usability.</em></p> 2023-11-07T11:20:30+08:00 Copyright (c) 2023 KHARISMA Tech https://jurnal.kharisma.ac.id/kharismatech/article/view/444 REDESIGN UI/UX PADA APLIKASI BCA MOBILE MENGGUNAKAN METODE LEAN UX 2024-03-15T09:54:47+08:00 Michelle Winardi michellewinardi_20@kharisma.ac.id Ahyar Muawwal ahyar@kharisma.ac.id Renny renny@kharisma.ac.id <p><em>BCA Mobile is a mobile banking application from PT Bank Central Asia Tbk. which enables customers to perform various types of banking transactions digitally. UI/UX plays an important role in the success of an application because good design can create a positive user experience and increase user satisfaction using the application. The results of observations collected through the rating and review columns on the Play Store and App Store show several problems experienced by users related to the UI/UX of the BCA Mobile application, as well as the results of usability testing from distributing the system usability scale (SUS) questionnaire before redesign to 30 respondents getting a score of 55.85 with an "OK" rating. This study aims to redesign the UI/UX of the BCA Mobile application and produce a new design that can improve user experience and satisfaction. The redesign uses the Lean UX method by going through 4 processes, namely Declare Assumptions, Create an MVP, Run an Experiment, Feedback, and Research. The results of the SUS score after the redesign showed an increase in the score to 83.48 with an "Excellent" rating. So it can be concluded that redesign using the Lean UX method, can create a display that meets user needs and expectations, as well as improves user experience and satisfaction.</em></p> 2023-11-07T11:23:16+08:00 Copyright (c) 2023 KHARISMA Tech