url anatomy
- URL is nothing more than the address of a given unique resource on the Web.
- A domain name is an identification string that defines a realm of administrative#
autonomy, authority or control within the Internet.
https://www.somewebsite.com:80/abc/123?param1=123&something=abc#somewhereindocument
|------|
protocol
|---|
subdomain
|-----------|
second level domain
|---|
top level domain
|--|
port
|---|
path
|------------------------|
query params
|------------------|
anchor
* each '.' adds another level domain
* host is www.somewebsite.com