User research, usability tests, and UX audit for GenoBuy online shop
Systematic user research, practical usability tests, and UX audits bring clarity to complex usage requirements.

Challenge: UX evaluation on a new technical basis
DG Nexolution migrated the cooperative online shop GenoBuy to a new technical platform—including the integration of numerous new functions and components, mostly from the Shopware ecosystem. In this context, it was crucial to check whether the existing user guidance, the interaction of new features, and central usage scenarios still met the requirements of the different user roles. Centigrade was commissioned to identify potential problems through targeted user research and comprehensive usability tests, thereby laying the foundation for a user-friendly platform. In addition, we conducted a UX audit in which we systematically analyzed the platform to uncover usability and UX weaknesses from a professional perspective.
Client:
DG Nexolution
Dienstleistungsgenossenschaft
Services:
UX Research
Through comprehensive interviews and usability tests, Centigrade ensured that the user perspective was brought to the forefront and that their needs and requirements were specifically taken into account in the further development process.
Focus on user needs and key usage scenarios
By closely involving real users in the development process, key challenges such as user guidance and ordering processes, management of product ranges and budgets, and user administration could be addressed in a targeted manner. Detailed analyses of specific user flows provided insight into how users actually navigate through the shop—an essential basis for further development.
Focus on user needs and key usage scenarios
By closely involving real users in the development process, key challenges such as user guidance and ordering processes, management of product ranges and budgets, and user administration could be addressed in a targeted manner. Detailed analyses of specific user flows provided insight into how users actually navigate through the shop—an essential basis for further development.
From user research to user-centered design
Our usability tests identified clear weaknesses in the user interface as well as missing functions that are essential for smooth operation. These findings helped to focus the further development process on the most important areas for optimization.
The direct involvement of end users in the analysis and evaluation phase ensured that their perspectives were taken seriously and valued. This was an important basis for tailoring the platform precisely to actual needs in the future.
Regular presentations and the transfer of raw data and evaluation files ensured transparent communication with DG Nexolution and enabled informed decisions to be made throughout the project.

UX Audit: Heuristic analysis for specific optimization
In addition to the usability test, we conducted a comprehensive UX audit for GenoBuy. In doing so, we thoroughly re-examined the interaction of the entire system after the move to the new platform. The findings from the previous usability tests were also incorporated into the evaluation. The aim of the audit was to identify existing weaknesses in the user experience and usability of the product through a heuristic evaluation. In the audit, we worked with DG Nexolution to define key usage scenarios and systematically test them in a cognitive walkthrough – such as article search, article customization, orders, and approvals. Two UX researchers analyzed which usability heuristics had been violated. Problems with consistency, navigation, and visibility of the system status occurred particularly frequently. Our recommendations: introduce clear standards and guidelines, permanently visible navigation, better prioritization of functions, and optimized use of space. DG Nexolution received a detailed report documenting all identified problems and specific recommendations for action. The results provided DG Nexolution with a sound basis for further developing the UX of GenoBuy in a targeted manner.

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