What do you call the entire first part of a URL?

Question

If I have a URL like:

http://www.example.com:9090/test.html

Then I know that www.example.com is the host name, but what do you

Answer 1

You can read about every part of URL on Wikipedia. You'll find there that http is a protocol name, :9090 determines that the connection should be establishment on port #9090 etc.