Skip to content

HTML Checking for Large Sites

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

The <label> element represents a caption in a document, and it can be associated with a form input using the for attribute, which must be an ID. Document IDs cannot contain whitespace.


  <label for="user_name">Name</label>
  <input type="text" id="user_name" />

Learn more:

Related W3C validator issues