A handbook that was produced by the Association of Registered Graphic Designers is an excellent resource to guide developers to design accessible websites. The publication outlines four principles of accessible web design:
Principle One: Perceivable. Web-based content must be presented in ways that all users can perceive. This principle considers colour, size, typeface and sound.
Principle Two: Operable. All users must be able to simply and accurately manipulate buttons, links, labels, images, and so on, from the perspective of control.
Principle Three: Understandable. This principle targets the clarity of content and interfaces so that people with cognitive disabilities or cultural and language differences can access it.
Principle Four: Robust. Websites that are robust can be interpreted by a variety of browsers, devices and assistive technologies.
The handbook comes with a variety of tools. There’s a way to test your website and its content. There’s a design checklist relating to all kinds of disabilities, including users with low vision and hearing loss.
In addition to these tools, the guide tells you how to test your website on a range of components, including style sheets, image maps, online forms, scripting and more. Then it sets out the steps to maintain your website once it meets those criteria.
Finally, the handbook goes through planning and management around setting up clients’ websites and educating them to make accessibility a priority. Finally, there are excellent examples, lists of resources, and a glossary of terms.
To learn more about the AccessAbility handbook and download a PDF copy, click here.