Showcase relevant work. A UX design portfolio highlights a designer’s best work, whether it’s wireframes, prototypes, completed jobs, or robust case studies demonstrating aesthetic sensibilities and professionalism. The portfolio can also answer important questions, like how long a job took to complete and what kind of design thinking the designer and client used to achieve the end result. A strong UX portfolio website includes step-by-step answers to these questions to help sway a client in a designer's favor.