What is a URL? Edit
A Uniform Resource Locator (URL) is used to designate a location address for a web page within the World Wide Web. URL's were defined by Tim Berners-Lee in 1994 in response to the need for online resource collaboration between individuals in two remote locations.
- Scheme: a sequence of characters beginning with a letter and followed by any combination of letters, digits, etc.
- An authority part consisting of
- An authentication section or username
- A host consisting of either a registered name or IP address
- An optional port number, separated by a semi-colon
- A path which contains data organized in a hierarchical format.
- An optional query conmtaining a query string
- an optional fragment containing a fragment identifier