HTML Checking for Large Sites

Rocket Validator automatically scans your sites for accessibility issues using the W3C Validator, hosted on our own servers and integrated into our web crawler.

When was the last time you validated your whole site?

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

Bad value “aria-expanded” for attribute “aria-expanded” on element “button”.

The aria-expanded attribute can only be true, false, or undefined.

This attribute indicates whether a grouping element is expanded or collapsed.

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Related W3C validator issues

50,000 Accessibility and HTML checks per month. Fully automated.

Let our automated scanner check your large sites using Axe Core and W3C Validator.