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Accessibility Quick Checks

There are tools and methods that can be used to perform quick accessibility checks on a web page. None of these methods are a substitute for a complete assessment. Quick checks can give you an idea of where issues may lie, but if the goal is a site that is compliant with WCAG 2.1 AA, a more complete review is needed.

Quick checks are not enough to fully confirm the accessibility of a site. A web page can pass these checks, yet still have significant issues.

Automated Tools

Automated accessibility tools review the front-end code that makes up a site. They identify roughly 25% of all accessibility issues. They can generate false positives and false negatives and cannot identify errors of intent. Within those limitations, they are a reasonable starting point for quick checks.

Recommended tools:

Manual Checks

Manual testing helps uncover issues that are missed by the automated tools.

Quick Checks

Keyboard-Only Navigation

Testing keyboard-only accessibility is strongly recommended. Sites that can be navigated using only a keyboard are more likely to work well with other assistive technologies such as switches.

More on keyboard accessibility

Screen Reader Testing

Testing with a screen reader has a steeper learning curve, but it’s a great way to identify problems that are difficult to detect visually. Using a screen reader offers some understanding of how a visually impaired person accesses a website. Learn more about the benefits of testing with screen readers.

Using NVDA (Windows)

Using VoiceOver (Mac)

VoiceOver for mobile (iOS)

W3C WAI Easy Checks

The W3C Web Accessibility Initiative has published checks that can uncover whether a website has addressed accessibility in a basic way.

Easy Checks — A First Review of Web Accessibility