What is a URL?

What is a URL? It is the ‘address’ to a resource somewhere on the internet, yes.  However there is more to a URL than meets the eye.  Did you know, for example, that a URL has two main components and – more often than not these days – a third? This video goes in to some detail about each and even explains what the letters behind the acronym URL really mean. Plus it’s very easy to understand so if you are new to all this – no problem!