6 articles
Secondary Data for E-commerce →
When secondary data helps and what to watch out for when using it was the topic of our Head of Research & Design Robin Janásek's talk at Czech Online Expo. In this article, we summarize the key quality sources of secondary data you can use in the e-commerce space.
Robin Janásek1 min read
28. 5. 2026

Practical tips, inspiring stories and real-life experiences from the world of CX, business, strategy and design. The podcast is hosted by Robin Janásek, an experienced strategist, designer and mentor.

ROBIN JANÁSEK
Head of Research & Design
How to Approach a Website Redesign: Build on Data and Iterative User Testing →
Triple conversion rate, return on investment in under 8 months, a many-fold increase in traffic, or a 24% profit boost — all from a website redesign alone. These are results from our projects. Read our recommendations and start building on data and user research instead of gut feelings.
Robin Janásek5 min read
28. 5. 2026
Why “Ugly” Websites Work: What to Expect from Graphic Design →
Minimalist and clean design, beautiful large photos, minimal text and the simplest possible structure. That is the general idea of a nice website — one that wins design awards and gets added to its creators’ portfolios. But among award-winning websites, those that sell the most and achieve the highest conversions are typically absent. How is it possible that websites we would call “ugly” from a design perspective can be more successful?
Proof & Reason2 min read
28. 5. 2026
How a UX Designer Works at Proof & Reason →
We recently reflected on how the role of a UX designer is perceived in digital agencies and the design community at large. We discussed what a UX designer handles at Proof & Reason, how this relates to our design process, how it reflects our approach to projects, and how things work elsewhere. We felt it would be a shame to keep these thoughts to ourselves. To extend this debate beyond our office walls, we have written a short article describing our design process, collaboration with other teams, and the projects we work on.
Robin Janásek3 min read
28. 5. 2026

