Websites must be coded structurally in order to be read by a screen reader. People who are blind or visually impaired will use a screen reader to access online educational content. According to Lucy Greco and Anna Gazdowicz' Implementing an Accessibility Policy: An Insider's Guide, “99 percent of accessibility revolves around good basic HTML practice” (Educause, 2016). But what is "good HTML practice"? Good HTML practice includes writing standards-compliant, valid code. Here is an example of valid coding:
<!DOCTYPE html>
<html>
<body>
<h1>Heading</h1>
<p>First paragraph.</p>
<h1>Subheading</h1>
<p>Second paragraph.</p>
<h1>Subheading</h1>
<p>Second paragraph.</p>
</body>
</html>
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| Screenshot image of the W3C Validator Website |
You can post your code directly into the interface, or paste in a link to the website you would like to check. You can also place a validator button directly on the webpage your are developing. This way you can quickly check your progress by clicking the validator button.
The validator will inform you whether your code is valid, and also provide corrections. If something isn't looking right on your website, or something does not work, a good place to start is validation.
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