W3C Web Content Accessibility Guidelines (WCAG) 2.1 – required by law in many countries, see https://en.wikipedia.org/wiki/Web_Content_Accessibility_Guidelines#Legal_obligations
Accessibility for Teams (accessibility.digital.gov) – A ‘quick-start’ guide for each role: Product, Content, UX, Visual design, Front end
Web Accessibility Initiative, Web Accessibility Perspectives, Explore the Impact and Benefits for Everyone: video clips that illustrate the importance of web accessibility
WebAIM: resource for anyone interested in web accessibility
The A11Y Project, provides an accessibility checklist and a list of accessible widgets.
Popular Screen Readers (JAWS, NVDA, VoiceOver*) Overview authored by UMich
Guide to Reduced Motion for Scrolling and Movement-Inhibited Users
- Alt Text Decision Tree : A great way to see when/how to use alternative text for images and other style components.
- Banner Landmark Guidelines: WCAG Best Practice for screen readers
- W3C Markup Validation Service: An easy way to find and fix HTML errors
Web Accessibility Validation Evaluator (WAVE): Free tool that identifies accessibility errors. Tool checks that your website is compliant with the following guidelines: 508 and Web Content Accessibility Guidelines (WCAG)
Colour Contrast Analyser: Free tool that verifies whether your library website is accessible for colorblind users. It also verifies that your design is in compliance with WCAG guidelines tied to the use of color
Content Readability: Tool evaluates the reading level of your content. Free to copy/paste content or URL
QA Checklist Example:
Note: Use WCAG Success Criteria as a checklist if WCAG conformance is required by law or policy. See https://www.w3.org/WAI/WCAG21/Understanding/conformance