Webaim.org
Webaim is a collection of resources from Utah State University and is considered a trusted accessibility resource.

W3 Accessibility
A collection of resources from the World Wide Web Consortium, which also makes the web accessibility guidelines. 

Domino’s Website Accessibility Lawsuit Article
A good article to demonstrate the impact of inaccessible content on corporations

Section 508 Website
Resources from the federal government to help people build and maintain accessible content in accordance with section 508 and 510 of the Rehabilitation Act of 1973.

How screen readers work (a demo)
A guided tour of how screen readers work

Sample screen reader experience
A preview of what it’s like to use a screen reader. 

Do No Harm: Accessibility
A collection of resources to help create accessible content created by accessibility experts and curated by the Urban Institute.

Chartability
​A set of heuristics to help understand and test areas based on WCAG standards, research, and community practices. 

Webaim Color Contrast Checker
Web-based color contrast checker that compares two colors for text and graphical elements. 

TPGi Color Contrast Checker
A light client application that is based off of the web aim guidelines that compares two colors for text and graphical elements.

How to test for keyboard navigation
A quick demonstration on how to the test to determine if the tab stops are appropriate and to help identify if your color selections may confuse with the border of the focus area. 

Dataviza11y Resources Short List
A compilation of resources from the dataviza11y working group