HTML Checking for Large Sites
Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as mime types.
The value provided on the type attribute of an a element is not a valid MIME type.
The type attribute expects a MIME type that hints at the linked URL’s format.
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25,000 HTML checks per month. Is that enough for your site?
Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.