<![CDATA[Background: Nutritional consultation is essential for adolescents to improve their nutrition, also promoting growth and health. Web-based application provides convenient access without necessarily downloading the programs on user devices, which essential to develop adolescent nutrition education media, particularly at suburban region. Objectives: This study aimed to assess the content and face validity of SIASAT (Aplikasi Remaja Sehat / Healthy Teen Application), a nutrition consultation application applied in suburban area. Methods: Research employed a mixed-method approach. A quantitative study was performed to assess the feasibility of SIASAT based on evaluation from experts and adolescents, while qualitative research aimed to suggest necessary enhancements of the application. Validation encompassed content analysis, interview with ten experts, and face validity assessment through interview with thirty adolescents. Quantitative analysis performed by summarizing the average score, while qualitative analysis was executed by content analysis. Results: Content validity test indicated that SIASAT application was appropriate for use without revision, achieving an average total score of 81.7%. However, several aspects still require further refinement, such as completeness of available information, quality of food images, and comprehensiveness of features. Face validity test revealed an average feasibility score of 83.1%, categorizing the application as highly suitable without further revision needed. Conclusions: Based on these findings, improvement in SIASAT application are necessary to enhance its utility and effectiveness. Further development, including design enhancement and feature addition, is expected to significantly improve application's ability to meet the needs of its primary users, which is the adolescents.]]>
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