Why do we use URLs?
A Unique Resource Locator or URL for short, is a map to a particular file or directory, they crop up all throughout the internet usually used to create links between different pages, files or directories. One of the questions though is why do we use them. Take this blog’s URL for example https://webdev-bb.blogspot.com/ why do we use this. Well firstly, this blog is made up of various files located in different locations. So in order to find those files we need some kind of map to them all. Most modern computers use what are known as IP addresses, a short string of numbers used as an identification for accessing the device given a known location. Your home pc has its own IP address so why not use this? Well we could use this but you would be broadcasting your computer to the internet and anyone who has your IP address could both send and receive files and data to your computer. This is why your home network has a local IP address for devices that are on the same network to en...