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Automated testing

Software that scans a page for accessibility failures it can detect, such as missing alt text or low contrast.

Automated testing runs a tool over a page to find the failures a program can detect: missing alt text, missing form labels, low contrast, empty links and buttons, a missing page language, broken ARIA. Tools like this run in a browser extension, in a developer’s test suite on every deploy, or across a whole site on a schedule. The WebAIM Million uses one to check a million home pages a year.

Automated tests are fast, cheap, and worth running on every change, and they are a fraction of the picture. A tool can see that an image has alt text but not whether the text is useful, and it cannot tell whether a checkout works with a screen reader. The W3C is plain that no tool alone can determine whether a site meets accessibility standards.

Source

Evaluating Web Accessibility Overview

W3C Web Accessibility Initiative (WAI), 2026. Checked .

Manual testing
A person checking a page by hand, with a keyboard, a screen reader, zoom, and judgment, for what tools cannot catch.
Accessibility evaluation
A structured review of how a website or app does against WCAG, done by people using assistive technology, not only a scan.
Monitoring
Ongoing checks that catch new accessibility barriers as a website or app changes.

Get help with every step.

We can work with organizations of every size and industry, from a startup serving its first customers to a bank. We find where you stand, help your team fix what matters, and keep checking as your product changes. That work is evidence of your effort, not a legal guarantee.

Talk to us about a first stepSee our services