docs: def netloc_no_www(url):
      """
      For a given URL return the netloc with any www. striped.
      """
      ext = tldextract.extract(url)
      if ext.subdomain and ext.subdomain != 'www':
          return '%s.%s.%s' % (ext.subdomain, ext.domain, ext.tld) 
      else:
          return '%s.%s' % (ext.domain, ext.tld)