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Every extra second of friction has a measurable business cost. Carrie Webster shares ten data-backed UX facts that link user experience directly to revenue, retention, and long-term growth.

Meet `sibling-index()` and `sibling-count()`. Staggered cascade effect in one line of CSS without `:nth-child()` rules or JS workarounds. Works for 5 items or 5,000.

What people say, feel, think, and do are often very different things. To understand the underlying reasons for user behavior, it helps to look beyond the surface and explore hidden motivations, root causes, and the different layers of reality that shape…

There’s a moment in almost every usability session where a participant pauses at the login screen, types something, and glances up: checking whether they’re “doing it right.” That pause is a clear sign.…

Seventy percent of websites still fail basic WCAG contrast checks in 2025. After years of design system tooling, accessibility linters, and JavaScript libraries, nothing moved the needle. We didn’t need better libraries. We needed better CSS.…

AI tools are eliminating the need to “bug” colleagues for help, but the informal interactions they replace are the very scaffolding that builds team trust, belonging, and innovation.…

Designing for agentic AI requires attention to both the system’s behavior and the transparency of its actions. Between the black box and the data dump lies a more thoughtful approach.…

Practical guidelines for driving UX impact in organizations with legacy systems and broken processes. Brought to you by Measuring UX Impact, **friendly video course on UX** and design patterns by Vitaly.

With the new month just around the corner, could there be a better occasion to freshen up your desktop? If you’re looking for some unique and inspiring wallpapers to accompany you on all those adventures that April may bring — and maybe spark some new…

Design principles with references, examples, and methods for quick look-up. Brought to you by Design Patterns For AI Interfaces, **friendly video courses on UX** and design patterns by Vitaly.

In the early days of the web, the search bar was a luxury, added to a site once it became “too big” to navigate by clicking.

Building a true culture of digital accessibility in a company is a mission of resilience and perseverance.

The scenario is almost always the same, which is a data table inside a scrollable container.

When I first started building websites, rounded corners required five background images, one for each corner, one for the body, and a prayer that the client wouldn’t ask for a different radius.

This article is a sponsored by SurveyJS There’s a mental model most React developers share without ever discussing it out loud.

Ten years ago, persuasive design was a relatively new frontier in the field of UX.