Fieldset label (group-label)
Groups of related inputs (e.g., radio buttons, checkboxes) have a <fieldset> and <legend>.
Missing fieldset and legend:
These related inputs do not have <fieldset> and <legend> elements:
The (DOM/programmatic) structure of the form above looks like this:
//Form section without a fieldset or legend element
<p>What is your favorite fruit?</p><input type="radio" id="apple" name="fruit" value="apple" />
<label for="apple">Apple</label>
<br/>
<input type="radio" id="banana" name="fruit" value="banana"/>
<label for="banana">Banana</label>
<br/>
<input type="radio" id="cherry" name="fruit" value="cherry"/>
<label for="cherry">Cherry</label>
<br/>
<br />
<label for="submit"> Submit: </label>
<input type="submit" id="submit" name="submit" value="Submit"/>