What is Accessibility [1] is a free online learning module by Mozilla to assist web developers in understanding accessible design.

15 Things to Improve Your Website Accessibility [2] is a practical handbook on accessible web design written by Bruce Lawson [3].

A11yTips [4] is a blog by web accessibility consultant Denis Boudreau. The site provides simple tips on making web content more accessible to all.

Information and Communication Technology (ICT) Accessibility [5] Learn how to identify issues and design solutions for information and communication technology (ICT) accessibility for users with disabilities.

HTML Living Standard [6] specification is intended for authors of documents and scripts that use the features defined in this specification, implementers of tools that operate on pages that use the features defined in this specification, and individuals wishing to establish the correctness of documents or implementations with respect to the requirements of this specification.

WAI-ARIA Accessible Rich Internet Applications Suite [7] WAI-ARIA, the Accessible Rich Internet Applications Suite, defines a way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.

The A11Y Project [5] Accessibility can be a complex and difficult topic. The Accessibility Project understands this and wants to help make it easier to implement on the web. Our goal is to accomplish this with three principles in mind:

1. Digestible. We strive to feature short, digestible pieces of content.
2. Up-to-date. The project is hosted on GitHub so information can be current with the latest standards.
3. Forgiving. People make mistakes, so we seek to be encouraging.

Understanding Web Accessibility - OCAD [8]  There are three audiences for this course:

• Web developers
• People who develop and implement accessibility policy
• Decision-makers who need to know what their developers should be doing

This course focuses on developing an understanding of the World Wide Web Consortium's (W3C) Web Content Accessibility Guidelines Version 2.0 (WCAG 2.0). WCAG 2.0 describes how to make Web sites that are accessible to everyone.