What do all the characters in a URL mean?

Question

A URL will be something like YouTube.com/r7@usq=616UUhF

What is all the jargon at the end?

Thanks in advance

In: Engineering

Answer 1

In your example the r7@usq=616UUhF refers to the name of the page that YouTube assigned to the content. These characters can mean different things to different companies, but basically it is used to uniquely identify a sub-page in a domain.