URL stands for Uniform Resource Locator and is used to specify addresses on the World Wide Web.A URL is the fundamental network identification for any resource connected to the web (like images or sound files).A URL has the following format:The protocol specifies how the information from the link is transferred. The protocol used for web resources is HyperText Transfer Protocol (HTTP).The protocol is followed by a colon, two slashes and then the domain name. The domain name is the computer on which the resource is located.Links to particular files are specified after the domain name as shown above in the format.