Friday, September 26, 2008

What is a URL?

A URL, or Uniform Resource Locator, is the location of a file on the Web. The Web has a huge collection of electronic files stored on millions of computers all around the world and the URL is the address used to locate the files. Every URL is unique and identifies one specific file. Therefore, it is the address of a web page and is also known as a - web address .URLs are also used to link one page to another. It gives you the ability to skip from one web page to another with just a click of your mouse. It is usually pronounced by sounding out each letter but, in some instances are pronounced as "Earl".

  • A URL usually has no spaces.
  • A URL always uses forward slashes (//).
  • URLs aren't case sensitive. So typing in upper and lower case letters takes you to the same page.
  • If you type a URL incorrectly, your browser will not be able to locate the site. Always make sure you spell the address correctly.

The URL is typed into the address bar, as in the following case of Google’s web address..

A URL is made up of several parts and the format of a URL is -

Protocol://site address

Whereas, the site address consists of the host computer name, the domain name and the domain type.

  • Protocol: http
  • Host computer name: www
  • Domain name: google
  • Domain type: com

For example, the URL of Google site is :

The domain is generally the name of the organization or company. The following are the different types of domains.

.com - commercial institution

.net -commercial institution (addition to .com)

.edu -educational institution

.org -not-for-profit organization

.gov -government institution

.mil -military

.int -international institution

.biz -commercial institution

.info -unrestricted use

Domain types can also be different for different countries. For instance, an educational site can have the domain name in the United Kingdom. Thus ac (academic) is used instead of edu. Similarly com is represented as co for Indian domain names.

The country code too differs from one country to another. Some country codes are given below:
in: India
jp: Japan
uk: United Kingdom

For instance, Google India or MSN India will be or

Thus, when you type the address of a Web page into your browser, you are typing a URL.

No comments: