Performance & Accessibility
How to Get Marking Required Fields Right
Showing which form fields must be completed, in a way that works visually and for assistive technology. Key takeaways required attribute: communicates the requi...
Lumexa Media · Writing
Performance & Accessibility
Core Web Vitals, WCAG conformance and the audit trail that proves both.
163 articles in Performance & Accessibility · every discipline
Performance & Accessibility
Input Masks and Formatting, Done Properly
Formatting that is applied as users type, such as spacing card numbers or adding dashes to phone numbers. Key takeaways Pasting: masks can reject pasted values...
Performance & Accessibility
A Practical Guide to Accessible File Upload Controls
Upload controls, including drag-and-drop areas, that work with keyboards and assistive technology. Key takeaways Native input: the file input is keyboard access...
Performance & Accessibility
A Practical Guide to CAPTCHA Alternatives
Ways to stop automated abuse without forcing people to solve puzzles. Key takeaways Accessibility: visual puzzles exclude people with disabilities WCAG 2.2: exp...
Performance & Accessibility
A Practical Guide to Manual Accessibility Test Scripts
Written step-by-step checks that testers follow to verify accessibility beyond automated tools. Key takeaways Coverage: automated tools detect a limited share o...
Performance & Accessibility
How to Get Accessibility Training for Teams Right
Teaching designers, developers, editors and testers what accessibility means for their own work. Key takeaways Role-specific: editors, designers and developers...
Performance & Accessibility
Performance Regression Alerts: The Decisions That Matter
Automated alerts that fire when performance metrics get worse after a release or over time. Key takeaways Field monitoring: real user data reveals regressions i...
Performance & Accessibility
How to Get Testing on Slow Networks Right
Checking how a site behaves on constrained connections, with throttling and real-world testing. Key takeaways Throttling: browser tools simulate slower connecti...
Performance & Accessibility
Low-End Device Performance: The Decisions That Matter
How sites perform on older and cheaper phones with slower processors and less memory. Key takeaways CPU limits: parsing and executing JavaScript is slower on lo...
Performance & Accessibility
Embedded Widgets and Performance, Done Properly
Third-party embeds such as chat widgets, maps, video players and social feeds, and what they cost. Key takeaways Weight: single embeds can add megabytes of scri...
Performance & Accessibility
Focus Order with CSS Layout: The Decisions That Matter
The mismatch that occurs when CSS reorders content visually while keyboard focus still follows the underlying markup order. Key takeaways Flexbox and grid: can...
Performance & Accessibility
A Practical Guide to Accessible Rich Text Editors
Editors that let users format content, and the accessibility problems they commonly introduce. Key takeaways Toolbar semantics: formatting controls need accessi...
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