Here are some handy accessibility links.
For checking against WCAG specifically, I find the Quick Reference version most readable: How to Meet WCAG (Quick Reference) (with filters set to: include Level A and AA; exclude SMIL, PDF, Flash, and Silverlight)
Sites
- A11yTalks
- The A11Y Project
- CSS Tricks articles tagged accessibility
- Smashing Magazine articles tagged accessibility
Blogs - Companies
- A11Y collective
- Access Matters
- axess lab
- Deque Systems
- Equal Entry
- Level Access
- Maxability
- TetraLogical
- TGPi
- UK Government Digital Service
- WebAIM
Blogs - Individuals
- Adrian Roselli
- Ben Myers
- Heydon Pickering’s Inclusive Components
- Hidde de Vries
- Léonie Watson
- Scott O’Hara
Email newsletters
- Accessibility Weekly
- Accessibility in the News
- The A11y Project newsletter
- t12t – The Accessibility Newsletter
Books
- A Web for Everyone – Designing Accessible User Experiences by Sarah Horton & Whitney Quesenbery
- Accessibility for Everyone by Laura Kalbag
- Apps For All: Coding Accessible Web Applications by Heydon Pickering
- Giving a damn about accessibility by Sheri Byrne-Haber
- Inclusive Design Patterns by Heydon Pickering
- Mismatch – How Inclusion Shapes Design by Kat Holmes
Training
- Web Accessibility by Google on Udacity
- Introduction to Web Accessibility by edX and the W3c
- Start Building Accessible Web Applications Today by Marcy Sutton on egghead
- Introduction To Accessibility Testing on Ministry of Testing
- Get Started with Web Accessibility on Trailhead
- Accessibility training by Intopia
- Accessibility and Inclusive Design Training by AbilityNet
- Instructor-led training by TetraLogical
- A whole bunch of courses on A11y Collective