Resources
Guide:
WP Accessibility Knowledge Base
WordPress-specific accessibility design and testing recommendations.
Guide:
U.S. Web Design Systems
https://designsystem.digital.gov/
The U.S. Federal Government's standards for building accessible websites like Vote.gov and the NIH Library. Includes a lovely library of patterns and components.
Article:
How Accessibility Improvements Led to a 19% Revenue Increase: ClearVision Optics Case Study
https://buildgrowscale.com/accessibility-conversion-improvement-case-study
A rare accessibility-only refactor showing improved revenue upon addressing color contrast, image alt text, mobile tap target size, focus indicators, and form errors.