The URI is constructed as : <scheme name> : <hierarchical part> [ ? <query> ] [ # <fragment> ]; see here[^]. In your example The domain is mywidgets.com with the server called www. Everything after the slash - smallwidgets - must be served up by the web-site and that becomes implementation specific. You can use redirects to different sites without exposing it outside.
Panic, Chaos, Destruction. My work here is done. Drink. Get drunk. Fall over - P O'H OK, I will win to day or my name isn't Ethel Crudacre! - DD Ethel Crudacre I cannot live by bread alone. Bacon and ketchup are needed as well. - Trollslayer Have a bit more patience with newbies. Of course some of them act dumb - they're often *students*, for heaven's sake - Terry Pratchett