title: Does a URI include the protocol?
body: <p>Will the URI of this URL, for example
  <a href="http://news.bbc.co.uk/sport" rel="noreferrer">http://news.bbc.co.uk/sport</a>
  include http:// at the front, making the URI <a href="http://news.bbc.co.uk" rel="noreferrer">http://news.bbc.co.uk</a> ?</p>
  
  <p>Or, is the URI just news.bbc.co.uk ?</p>