HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as tabindex.
An <a> element cannot contain a descendant element with the attribute tabindex.
A button element cannot contain a descendant element with the attribute tabindex.
6,250 HTML checks per week. Fully automated.
Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.