URL is a link to a part of the internet. It stands for Uniform Resource Locator. A place on the internet (AKA a website) is marked with a URL, to keep it booked in the web.
Okay, let's get serious here. If you are part of this wiki, you obviously know that it's not actually a wiki about HTML and Hex. This is about trying to save the CPPW. Rule Number 1 - DON'T tell this wiki to anyone.