AccessiBe Free Website Accessibility Checker
Free single-URL scan offered by accessiBe that produces a high-level accessibility findings report.
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Online Checkers
10 tools in this category.
Accessibility Checker (accessibilitychecker.org)
Free URL-based scanner that reports common automated accessibility findings for a public page.
AChecker
Online checker that evaluates pages against selected guideline sets and supports customizable accessibility checks.
GetWcag
Online accessibility evaluation service that uses axe-core-style automated checks and reporting.
Mauve++
Academic system for evaluating website accessibility including dynamic content and connected PDFs.
PageSpeed Insights (a11y portion)
Google's hosted Lighthouse runner; the Accessibility category provides a quick automated score for a public URL.
Sitejar free scan
Multi-page scanner that includes accessibility checks along with related quality signals; free guest scans available.
Tabnav Web Accessibility Checker
Web-based checker that scans a URL with automated rules and explains findings in plain language.
Total Validator Online
Online and downloadable checker covering accessibility, HTML/CSS validity, links, and spelling.
WAVE Online
Web form that runs WAVE on a public URL and shows accessibility indicators without installing an extension.