User experience is what determines whether people actually enjoy using what you build. This hub gathers guides on usability, user research, interaction design, and the principles that make products intuitive.
12 articles · Updated June 29, 2026
The best UX is invisible — users notice friction, not the hours you spent removing it.
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Quick answers about this topic hub.
UI (user interface) is how a product looks — the visual and interactive elements. UX (user experience) is how it works and feels across the whole journey. Good UI serves good UX; you need both, but UX defines whether the product truly helps people.
Because you are not your user. Research — interviews, usability tests, and observing real behavior — reveals what people actually need and where they struggle, so you build the right thing instead of guessing.