Web Content Accessibility Guidelines (WCAG) 2.0 by Julius Charles Serrano, Even Grounds

Definition

defines how to make Web content more accessible to people with disabilities

developed through the W3C process

Consists of internationally recognized principles, guidelines, and success criteria

Principle 1: Perceivable

Non-text content should have text equivalents

Color contrast should be properly identified

Avoid using color as the sole means of conveying information

Provide a means to stop/play audio in a page

Provide a means to resize text in a page

Principle 2: Operable

All functionality should be available via the keyboard

During sessions where there is a time limit, provide a means to extend the time

Do not design content in a way that is known to cause seizures (content that flashes more than three times per second)

Provide a means to bypass repetitive blocks of content

title should describe the page’s content or purpose

Users should be able to follow the correct sequence of web content

text link should describe the link’s purpose

Headings and labels should describe topic and purpose

Principle 3: Understandable

Define the language of the page

Provide a way to determine the meaning of unusual words

Provide the expanded form of abbreviations at least once.

Try to make text easy to read and understand

Make web pages operate in predictable ways

Enable users to easily determine errors they have made

Principle 4: Robust

Ensure that the site can be displayed properly by most if not all browsers

Perform web page validation whenever necessary

Even Grounds’ WCAG 2.0 Tutorial tutorial