HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

Empty heading.

The <h1> through <h6> elements are headings for the sections with which they are associated. They should not be empty, for example <h1></h1> is invalid.

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.