Blog
Using ARIA Correctly: Roles, States, Live Regions
WAI-ARIA in practice: roles vs. native HTML, states like aria-expanded and aria-selected, live regions with polite and assertive plus the most common mistakes.
Accessible Forms: Labels, Errors and Validation
Accessible forms per WCAG 2.2: programmatic labels, required field marking, error messages with aria-describedby and role=alert, plus focus management.
BFSG 2025: Key Facts for Companies
The German Accessibility Strengthening Act has been in effect since June 2025. Who is affected, which deadlines apply, and what first steps are needed.
WCAG 2.2: Implementing the New Success Criteria
WCAG 2.2 introduces nine new success criteria. Focus Not Obscured, Dragging Movements and Redundant Entry explained with practical guidance.
Accessible Checkout for Shops
Accessible checkout process: Usable payment forms, error handling, address fields and progress indicators for online shops.
Screen Reader Optimization: Making Your Website Readable
Screen reader optimization for websites: ARIA landmarks, roles, live regions, semantic HTML and screen reader testing across all platforms.
Color Contrast and Accessibility: More Than 4.5:1
Understanding and implementing WCAG contrast requirements: tools, dark mode, focus indicators and non-text contrast for accessible websites.
Keyboard Navigation: Every Function Without a Mouse
Keyboard navigation for accessible websites: tab order, focus management, skip links, keyboard traps and custom widgets.
Accessible PDFs: Document Accessibility per PDF/UA
Creating accessible PDFs: tagged PDFs, reading order, alt text, tables and forms tested and implemented per the PDF/UA standard.