Accessibility bugs ship for the same reason all bugs ship: nobody caught them before the release. The difference is that accessibility failures are often invisible to the people writing and reviewing code, which means they accumulate without being noticed until a user with a screen reader files a support ticket or, in regulated industries, until a compliance audit flags them.
Treating accessibility as a QA responsibility — something that gets tested, tracked, and verified in CI — is how teams stop shipping accessibility regressions at the same pace they ship features.
What accessibility testing actually covers
Automated accessibility testing catches a specific and valuable subset of WCAG violations: missing alt text on images, insufficient color contrast ratios, form inputs without associated labels, interactive elements that aren't keyboard-navigable, missing ARIA roles on dynamic content, and focus order issues in modal dialogs.
These aren't edge cases. They're the most common accessibility failures in production web applications, and they're entirely preventable with automated checks that run on every build.
What automated testing doesn't catch is roughly as important: screen reader user experience, cognitive load, complex ARIA pattern correctness, and the experience of users with motor impairments navigating complex forms. These require manual testing with assistive technology. But automating what can be automated reduces the surface area that manual testing needs to cover and catches regressions before they accumulate.
The regulatory dimension
In 2025, accessibility compliance moved from a best-practice recommendation to a legal requirement for an expanding set of organizations. The European Accessibility Act came into effect, requiring digital products serving the EU market to meet WCAG 2.1 AA standards. In the United States, ADA compliance litigation targeting web applications continued to grow.
This changes the calculus for teams that previously treated accessibility as aspirational. It's now a compliance requirement with documented exposure. Teams that can demonstrate systematic accessibility testing — automated checks in CI, tracked violation counts, documented remediation — are significantly better positioned than teams that rely on periodic manual reviews.
Integrating accessibility testing into CI
The most effective approach embeds automated accessibility scanning into your existing end-to-end test pipeline. Every test run that exercises a user flow also runs accessibility checks on the pages traversed. A new feature that introduces an unlabeled form input fails CI the same way a new feature that breaks existing functionality fails CI.
TestSprite integrates accessibility validation into end-to-end test execution, flagging WCAG violations encountered during test runs alongside functional test results. Teams get accessibility coverage without maintaining a separate accessibility testing infrastructure.
What to track
Track violation counts by severity over time, not just as a snapshot. A codebase with 200 accessibility violations that's improving is in a different position than one with 50 that's getting worse. Regression prevention — ensuring that new code doesn't introduce new violations — is achievable from day one, even before the existing violation backlog is cleared.
Make accessibility metrics visible in the same dashboards where functional test results appear. Treating accessibility violations as a class of defect — tracked, prioritized, and owned — rather than as a separate compliance program is what actually moves the numbers.