Performance & Accessibility
A Practical Guide to Text Spacing Overrides
The WCAG requirement that content stays usable when users increase line height, letter spacing and word spacing. Key takeaways Success Criterion 1.4.12: sets sp...
Marcus Adeyemi
Builds and maintains the web work. Writes about front-end architecture, performance, accessibility and the unglamorous parts of keeping a site alive.
531 articles
Performance & Accessibility
Accessible Maps: The Decisions That Matter
Making map-based content usable for people who cannot see or interact with an interactive map. Key takeaways Text alternatives: addresses and directions can be...
Performance & Accessibility
Accessible Media Players: The Decisions That Matter
Video and audio players whose controls work with keyboards and screen readers and that support captions. Key takeaways Native controls: browser media controls a...
Performance & Accessibility
A Practical Guide to Iframe Titles and Embedded Content
Labeling embedded frames so assistive technology users know what each one contains. Key takeaways Title attribute: gives an iframe an accessible name Hidden fra...
Performance & Accessibility
How to Get Accessible SVG Right
Making inline SVG graphics work for screen reader users, whether they are decorative or meaningful. Key takeaways Decorative graphics: should be hidden from ass...
Performance & Accessibility
A Practical Guide to Switch Access and Alternative Input
Input methods such as switches, head pointers and sip-and-puff devices used by people with limited mobility. Key takeaways Scanning: switch users move through e...
Performance & Accessibility
A Practical Guide to Forced Colors and High Contrast Mode
How pages behave when an operating system replaces colors with a limited high-contrast palette. Key takeaways forced-colors: a CSS media query detects forced co...
Performance & Accessibility
Accessibility Remediation Planning, Done Properly
Turning an accessibility audit into a prioritized plan of fixes, owners and deadlines. Key takeaways Severity: blocking issues prevent task completion Reach: is...
Performance & Accessibility
WCAG 3 and What Comes Next, Done Properly
The status of the draft W3C Accessibility Guidelines 3.0 and what it may change about conformance. Key takeaways Draft status: WCAG 3 is a working draft, not a...
Performance & Accessibility
Accessible Autocomplete Fields: What Actually Works
Search and form fields that suggest options as the user types, built so screen reader and keyboard users can use them. Key takeaways Combobox pattern: the ARIA...
Performance & Accessibility
Font Subsetting, Done Properly
Removing unused characters from font files so they download faster. Key takeaways Subsetting: keeps only the glyphs a site needs unicode-range: lets browsers do...
Performance & Accessibility
Code Splitting and Dynamic Imports: What Actually Works
Breaking JavaScript into smaller pieces that load when needed instead of one large bundle. Key takeaways Dynamic import: loads modules on demand Route splitting...
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