<![CDATA[Evaluation of User Interface (UI) and User Experience (UX) typically relies on several questionnaire instruments that are administered and scored separately, making score aggregation and cross-method triangulation labor-intensive. UIX-Probe is a web-based multi-method UI/UX assessment platform that already integrated the System Usability Scale (SUS), the Technology Acceptance Model (TAM), A/B testing and the Web Content Accessibility Guidelines (WCAG), but lacked instruments for two constructs central to user experience: subjective mental workload and perceived visual aesthetics. This paper reports the design, implementation and workflow of two new modules integrated into UIX-Probe Raw NASA-TLX and the Short Visual Aesthetics of Websites Inventory (VisAWI-S) with a focus on the analytics dashboard that turns raw responses into interpretable output for developers and interface designers. The dashboard provides a composite score with automatic classification, a per-dimension mean comparison, per-question response distributions, a per-respondent results table, respondent demographics, and automatically generated narrative descriptions, all exportable to Excel. The system was built using the Waterfall SDLC on a Laravel 10 + React.js (Inertia.js) architecture. Functionality was verified under real-world deployment: five independent developer teams created and distributed their own evaluation surveys on the platform, collecting 115 responses across five surveys. The four surveys using the new modules produced Raw NASA-TLX composite scores of 10.99–21.75/100 (all Moderate) and VisAWI-S composite scores of 4.23–5.81/7 (Positive to Very Positive). All three verification criteria were met: 5/5 teams configured a survey successfully, every survey obtained real respondents, and every dashboard rendered without error.]]>
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