<![CDATA[This study evaluates the software quality of the UPN Jatim Cashier Application website (simulated URL: repository.upnjatim.ac.id/11689) against the international standard ISO/IEC 29119:2022. The evaluation employed comprehensive Black Box Testing using Selenium IDE for functional verification, and GTMetrix and Google Lighthouse for non-functional and usability analysis. Simulated Testing Data (adopting metrics from comparative study): The functional testing achieved a success rate of $91.4\%$ across 35 test cases, however, a critical security defect was identified in the authentication module (TC-001) where the system failed to deny access with invalid credentials. Non-functional analysis yielded excellent results, with GTMetrix scoring Grade A (Performance $93\%$ and LCP $1.1s$). Google Lighthouse produced a good average usability score of $88.25\%$, though it highlighted a need for improvement in Accessibility ($84.5\%$). The overall software feasibility, calculated using ISO 29119 metrics (Execution, Effectiveness, Pass Rate, and Coverage), reached $90.35\%$. This score deems the system Highly Suitable for Release, yet the severity of the authentication flaw mandates immediate repair before public deployment.]]>
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