Lighthouse overview - Chrome Developers
DIAGRAM Center: Accessible Digital Interactives Library
Text-to-Speech - Accessible Publishing Knowledge Base
HTML - Accessible Publishing Knowledge Base
How to make accessible animated images
Components - Access & Use
Start page - Access & Use
A guide to coding accessible developer tools – Increment: Development
Writing CSS with Accessibility in Mind
WebAIM: Skip Navigation Links
Van11y: Accessibility and ES2015
Handling Validation Errors in Forms
Accessible Forms 101
Up Your A11y
Resources for Developers and Publishers
KittyGiraudel/a11y-dialog: A very lightweight and flexible accessible modal dialog script.
Making your videos as accessible as possible | Adobe Video
Accessible SVG Icons with Inline Sprites - 24 Accessibility
Accessible SVGs | CSS-Tricks
HTML5 accessibility
Web Accessibility Guidebook for Developers
hidde/eleventy-wcag-reporter: A starter pack for creating WCAG conformance reports with Eleventy
Accessify.com - all the tools, links and resources you'll ever need to make your web site accessible.
Intro to Universal Design
Accessibility Inspector — Firefox Source Docs documentation
scottaohara/accessible_components: Listing of accessible components & patterns
A guide to designing accessible, WCAG-compliant focus indicators
Structuring Accessible Forms
A Guide To Accessible Form Validation — Smashing Magazine
Making your videos accessible — Accessibility Made Easy