Cover story What Bad Usability Costs: Six Hidden Types of Cost and How to Calculate Them Bad usability never shows up as a line item, yet it costs revenue, support time, working hours and trust. This article covers the six main types of cost and shows you how to calculate them for your product with your own numbers. User ExperienceOctober 17, 2026 · 14 min read

New in the magazine

All articles →

• Psychology

  Cognitive Load: Why Less Is Often More in Interface Design

  Every interface asks for mental effort, but much of it is unnecessary. What cognitive load is, how to spot it and seven practical ways to reduce it. October 14, 2026 · 14 min
• Design

  Comic Sans: Why the World’s Most Hated Typeface Is Treated Unfairly

  Comic Sans is called the most hated typeface in the world, unfairly. Its story shows that the hate is really about how it was misused. October 14, 2026 · 8 min
• Accessibility

  Why Accessibility Is More Than Contrast and Font Size

  Contrast and font size are just the tip of the iceberg. Why real accessibility starts with semantics, keyboard access and clear language, and why it benefits everyone in the end. October 14, 2026 · 8 min
• User Experience

  Synthetic Users: Can AI Replace Real User Research?

  AI-generated users deliver interviews in seconds. But how do they compare to real people? A look at recent studies and at where synthetic users can still help. October 14, 2026 · 8 min
• Accessibility

  The BFSG in Practice: What Germany’s Accessibility Act Means for Websites and Apps

  Since June 2025, Germany’s BFSG also applies to online stores, banking apps, and booking platforms. Who is affected, what’s technically required, and how your team can get started. October 12, 2026 · 17 min
• Psychology

  Spotting and Avoiding Dark Patterns: Why Interface Tricks Cost You

  Fake countdowns, hidden cancellations, cookie banners without a "Reject" button: why dark patterns cost trust, what EU and German law say, and what fair alternatives look like. October 10, 2026 · 16 min

From the UX glossary

Full glossary →

• A/B Testing
• ARIA
• Accessibility
• Affordance
• Alt Text
• Atomic Design
• BFSG
• Card Sorting
• Cognitive Load
• Color Vision Deficiency
• Contextual Inquiry
• Contrast Ratio
• Conversion
• Dark Patterns
• Design System
• Design Thinking

Toolbox

All resources →

• ToolFreemiumFigmaby FigmaA collaborative design tool for interfaces, prototypes, and design systems – in the browser and as a desktop app.
• ToolFreeWAVEby WebAIMA browser extension that flags barriers like missing alt text or contrast issues right on the page.
• BookPaidLean UX für kleine Teamsby Dennis WagnerA German-language practical book: Two people. No budget. Still building the right thing – 23 methods along the Double Diamond, each with time required, a template, and a checklist.