HTML Checking for Large Sites

Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.

HTML issues tagged as week.

Attribute “required” is only allowed when the input type is “checkbox”, “date”, “datetime-local”, “email”, “file”, “month”, “number”, “password”, “radio”, “search”, “tel”, “text”, “time”, “url”, or “week”.

Still checking your large sites one page at a time?

Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.

Rocket Validator Micro
5,000 HTML checks per month, $12/month