Penelitian ini mengembangkan aplikasi pengukuran kualitas perangkat lunak berdasarkan model ISO/IEC 9126 menggunakan metodologi Rational Unified Process (RUP). Aplikasi ini digunakan untuk mengevaluasi kualitas website Sistem Informasi Kepegawaian Nasional (SIMPEGNAS) di Kabupaten Takalar dengan fokus pada karakteristik kegunaan, fungsionalitas, efisiensi, dan keandalan. Hasil evaluasi menunjukkan bahwa kualitas keseluruhan website SIMPEGNAS berada pada kategori "Baik" dengan skor 78,03%. Aplikasi berbasis Android yang dikembangkan memudahkan proses evaluasi dan pengumpulan data, serta mengidentifikasi area perbaikan seperti antarmuka pengguna dan integrasi sistem. Rekomendasi pengembangan disampaikan untuk meningkatkan kinerja dan efektivitas website SIMPEGNAS, berkontribusi pada peningkatan pelayanan publik.

This study developed a software quality measurement application based on the ISO/IEC 9126 model using the Rational Unified Process (RUP) methodology. This application was used to evaluate the quality of the National Civil Servant Information System (SIMPEGNAS) website in Takalar Regency, focusing on usability, functionality, efficiency, and reliability. The evaluation results show that the overall quality of the SIMPEGNAS website falls into the "Good" category with a score of 78.03%. The developed Android-based application facilitated the evaluation process and data collection, identifying areas for improvement such as the user interface and system integration. Development recommendations were provided to enhance the performance and effectiveness of the SIMPEGNAS website, contributing to better public service delivery.