2025-05-07
1232
#ux design
Bart Krawczyk
204346
102
May 7, 2025 ⋅ 4 min read

The anti-persona: Learning from users who churn fast

Bart Krawczyk Learning how to build beautiful products without burning myself out (again). Writing about what I discovered along the way.

Recent posts:

AI made design faster, but did it make it less intentional

AI made design faster, but did it make it less intentional?

AI has accelerated design execution, but speed can come at the expense of intentionality. Learn how UX teams can preserve product thinking and judgment.

Eric Chung
Jun 18, 2026 ⋅ 9 min read

Full-stack and server-side UX experiments: Testing beyond the frontend

UX testing is not limited to layouts, copy, and visual design. Full-stack and server-side experiments help teams evaluate how backend logic, APIs, algorithms, and product flows affect the overall user experience.

Shalitha Suranga
Jun 16, 2026 ⋅ 3 min read
Bayesian UX testing A clearer way to interpret AB test results

Bayesian UX testing: A clearer way to interpret A/B test results

In A/B, A/B/n, or multivariate testing scenarios, using p-value with traditional null-hypothesis-based statistical analysis is so common, and most designers […]

Shalitha Suranga
Jun 9, 2026 ⋅ 3 min read
Multi-armed bandits in UX experiments: Faster testing with smarter traffic splits

Multi-armed bandits in UX experiments: Faster testing with smarter traffic splits

Traditional A/B testing splits traffic evenly, but multi-armed bandits dynamically send more users to the better-performing version. Here’s how the method works, where it helps, and when UX teams should use it over classic A/B testing.

Shalitha Suranga
Jun 2, 2026 ⋅ 4 min read
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