Edge Caching for Dynamic Pages: What Actually Works
Caching pages at content delivery network edges even when they contain some personalized or changing content. Why does it matter? Edge caching turns slow dynami...
Category · 168 articles
Core Web Vitals, WCAG conformance and the audit trail that proves both.
Caching pages at content delivery network edges even when they contain some personalized or changing content. Why does it matter? Edge caching turns slow dynami...
Testing websites and apps with the screen readers built into phones and tablets. At a glance Gestures swipes move between elements instead of the Tab key Rotor...
Marking up abbreviations and explaining specialist terms so readers and assistive technology can understand them. What is at stake Unexplained abbreviations exc...
Moving and announcing keyboard focus when a single-page application changes views without a full page load. The key figures No page reload browsers do not reset...
A summary of validation errors shown at the top of a form, linking to each field that needs attention. Where most projects go wrong The usual mistakes: Errors s...
Showing which form fields must be completed, in a way that works visually and for assistive technology. Why does it matter? Asterisks alone are ambiguous, and r...
Formatting that is applied as users type, such as spacing card numbers or adding dashes to phone numbers. At a glance Pasting masks can reject pasted values Aut...
Upload controls, including drag-and-drop areas, that work with keyboards and assistive technology. What is at stake Custom upload widgets often lose the keyboar...
Ways to stop automated abuse without forcing people to solve puzzles. The key figures Accessibility visual puzzles exclude people with disabilities WCAG 2.2 exp...
Written step-by-step checks that testers follow to verify accessibility beyond automated tools. Where most projects go wrong The usual mistakes: Relying only on...
Teaching designers, developers, editors and testers what accessibility means for their own work. Why does it matter? Accessibility fails when it is one speciali...
Automated alerts that fire when performance metrics get worse after a release or over time. At a glance Field monitoring real user data reveals regressions in p...
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The work behind this topic, and what it costs.