Given a specific URL is it possible to retrieve the list of queries that the webserver supports?

Given a specific URL is it possible to retrieve the list of queries that the Web-Server supports?

E.g. YouTube supports the watch query passing as parameter the video id, see below:

https://www.youtube.com/watch?v=8LPqE_4SIl8

Is it possible to know what are the queries supported in any given website?