CDC disability statistics
WCAG
WAI-ARIA
Colour Blind Awareness
Colorblind Manifesto
WebAIM Million
Giving a Damn About Accessibility
The a11y Project (blog)
The Curb Cut Effect
Aria is Spackle - not Rebar
History of closed captioning
Prioritizing accessibility defects for remediation
Against Technoableism
OK ID app lawsuit
Proposed CA accessibility law
Section 508
Plain Writing Act
Deque - aXe scanning, plus great accessibility training
Udacity Free Web Accessibility Course
Chrome browser extensions
Colorblindly
aXe Dev Tools
High contrast
Single page applications (SPAs) and accessibility
Tips for SPA accessibility from the Deque blog
React accessibility page - with some helpful external links and a section on programmatically managing focus