Fundamentals
Fundamentals
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    URL

    A Uniform Resource Locator (URL), colloquially termed a web address, is reference to a web resource that specifies its location on a computer network, and a mechanism for retrieving it. A URL is a specific type of URI that contains both the location of the item and the identifier of the item.

    A url, i.e., “http://servername:1234/resourcename?param1=value1&param2=value2” consists of the following components:

    • Transport Protocol, i.e. “http”, “https”, “file”, etc, followed by “://”
    • The servername. This can be an IP Address, hostname, or FQDN.
    • The port that the “Web Application” that serves the resource is listening on.
    • The resourcename, which points to the resource on that server.
    • A ? followed by a list of Get Parameters, which are separated with a &.

    Just like URIs URLs can only contain certain characters.

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