Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as subtype.
The specified type for an script element is not a valid MIME type as it’s missing a subtype.
A MIME type most-commonly consists of just two parts: a type and a subtype, separated by a slash (/) — with no whitespace between, for example:
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.