> Fragment identifiers are not sent to the server.
I've not stated that this is the case, but I might add a note, that this is the case.
> query example should have both ? and & like> ?foo=1&bar=2&baz=3
The `&` is only needed if you have multiple parameters like in the Youtube example, or am I getting it wrong?
> Perhaps behind the path/to/whatever have a /filename.XXX
This is an example for a path without explicit resource as most servers would provide an `index.html` file by default in this case. I might add a note to clarify it.
> Also, the story on the www "subdomain" is missing.