http://www.djangoproject.com/
HTTP://WWW.DJANGOPROJECT.COM/
http://localhost/
http://example.com/
http://www.example.com/
http://www.example.com:8000/test
http://valid-with-hyphens.com/
http://subdomain.example.com/
http://200.8.9.10/
http://200.8.9.10:8000/test
http://su--b.valid-----hyphens.com/
http://example.com?something=value
http://example.com/index.php?something=value&another=value2
https://example.com/
ftp://example.com/
ftps://example.com/