W3C+Markup+Validator

-Corbett

The World Wide Web Consortium is an international group that has developed and maintained standards for the web. They have developed a validating tool that will evaluate website to see if they meet W3C Standards. Most notably, there aren't official standards for website designers on the content they create. You may have noticed that some websites do not display correctly when you visit them. This is because the designer does not uphold the following standards and they may only have checked that their content displays in one browser.

Upholding these standards falls under the realm of Universal Design for Learning as content should be designed upfront to be accessible by everyone and not retrofitted after problems are encountered later.

Accessibility: WCAG2 at a Glance
**Perceivable** **Operable** **Understandable** **Robust** See [|WCAG Overview].
 * Provide [|text alternatives] for non-text content.
 * Provide [|captions and alternatives] for audio and video content.
 * Make content [|adaptable] ; and make it **available** to assistive technologies.
 * Use [|sufficient contrast] to make things easy to see and hear.
 * Make all functionality [|keyboard accessible].
 * Give users [|enough time] to read and use content.
 * Do not use content that causes [|seizures].
 * Help users [|navigate and find] content.
 * Make text [|readable and understandable].
 * Make content appear and operate in [|predictable] ways.
 * <span style="color: #604a1f; font-family: Georgia,'Times New Roman',Times,serif; font-size: 17px;">Help users [|avoid and correct mistakes].
 * <span style="color: #604a1f; font-family: Georgia,'Times New Roman',Times,serif; font-size: 17px;">Maximize [|compatibility] with current and future technologies.

Here is the validator. Put a website into the text field and see if your favourite website complies with these standards. []