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Last modified: Monday, February 04, 2008 

Abbreviation of Uniform Resource Locator, the global address of documents and other resources on the World Wide Web.

The first part of the address is called a protocol identifier and it indicates what protocol to use, and the second part is called a resource name and it specifies the IP address or the domain name where the resource is located. The protocol identifier and the resource name are separated by a colon and two forward slashes.

For example, the two URLs below point to two different files at the domain pcwebopedia.com. The first specifies an executable file that should be fetched using the FTP protocol; the second specifies a Web page that should be fetched using the HTTP protocol:

  • ftp://www.pcwebopedia.com/stuff.exe
  • http://www.pcwebopedia.com/index.html
  • See "Countries and Their Domain Extensions" in the Quick Reference section of Webopedia.
    See also "How Web Servers Work" in the "Did You Know...?"
    section of Webopedia.

      Related Links

    Document addressing - uniform resource term information
    This World Wide Web Consortium page provides information on the uniform resource family of terms that deal with addressing documents on the Web. There is information on Uniform Resource Identifier (URI), Uniform Resource Locators (URL), Uniform Resource Names (URN), Uniform Resource Citations (URC), and how they all work together.

    Internet Standards document on URLs
    This Internet standards document specifies a Uniform Resource Locator (URL), the syntax and semantics of formalized information for location and access of resources via the Internet.

    Webopedia Quick Reference: Countries and Their Domain Extensions
    Ever see a Web address that doesn't end in .com, .org, or .edu? Most likely, the Web site is hosted on a server in another country, or, the origin of business is in another country. Here is a list of different country domain extensions and their corresponding countries sorted alphabetically according to the file extension.

    Webopedia's "Did You Know...All About Web Site Hosting"
    So the time has come to finally get on the World Wide Web with a Web site of your own. Once the Web site and pages have been created, however, the question of where to put it still remains.

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