Tools / Site Analysis
Accessibility Checker
Machine-checkable WCAG problems: alt text, labels, headings, language and more
The lookup is made by our server against public DNS; only the domain/IP you enter is used.
About this tool
Check the accessibility problems a program can prove from the HTML: missing language, images without alt text, empty links and buttons, unlabeled form fields, heading order, duplicate ids and zoom-blocking viewports. It complements, but does not replace, manual testing.