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URL (Uniform Resource Locator)

It identifies the location of web site or a web page on the internet. Each web page 
has a unique address called URL that identifies its location on the internet. Web browsers utilized the URL to open or to retrieve files on internet. The format of a URL consists of different parts.

What is URL ?

http://www.ittalentsearch.org/home/index.htm

  1. The http is a Protocol Name.
  2. www is the World Wide Web
  3. ittalentsearch.org is the Domain Name
  4. org is the TLP (Top-Level Domain)
  5. home/index.htm is the URL's path to file & folder
The first part of the address (URL) indicates the protocol or service being used. It gives information to the browser about the type of server to connect to and by which protocol.

The second part of the URL is a Full Qualified Domain Name (FQDN) which identifies web address running on the server.

The third part is the path name that name that refers to the location of files. The path name is always preceded by single slash "/" after the domain name. The fourth part is the file extension.

URLs can be categorized into: Absolute URL and Relative URL

Absolute URL: Absolute URLs are the URLs with complete internet address specifying the location of a resource. An Absolute URL includes protocol, host, path and name of the resource. 
For example: www.it_peoples.com/index.htm.

Relative URL: A relative URL is not fully complete but it inherits the protocol, host and path information from its parent document (the document file that links to it). Relative URLs are used to refer links on the same server as the page that contains them.

Most of the web pages are identified by relative URL where hyperlinks point to (last destination) documents and other files which are located on the same sites.
eg. link.htm

Note:- Some URLs refers to a location within a resource. Such kind of URL ends with "#" followed by an anchor identifier called the fragment identifier, for instance, http://somesite.com/html/top.html#section_2.


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