HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

An element with the attribute “tabindex” must not appear as a descendant of the “button” element.

A button element cannot contain a descendant element with the attribute tabindex.

Related W3C validator issues

When was the last time you validated your whole site?

Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.