Labels must contain text

Severity code: Severe error

Label elements should contain text which communicates the purpose of its assigned input element.

Example

Wrong

<label for="first_name"> </label>First name: <input type="text" id="first_name" name="first_name"/>

Right

<label for="first_name">First name: </label><input type="text" id="first_name" name="first_name"/>