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Sunday, May 16, 2010

WHAT IS HTTP, WWW and URL?

What is HTTP


(HyperText Transfer Protocol) The Web's communication standard, referenced in the http:// that appears at the beginning of every web page address (an extra 's' on the end, as in https:// denotes the secure, encrypted form). Stabilized at HTTP/1.1, it defines the universal mechanism for exchanging application-level messages between Web devices. All web services run over HTTP.


What is WWW


WorldWideWeb was the first web browser. When it was written, WorldWideWeb was the only way to view the Web.The source code was released into the public domain in 1993.Some of the code still resides on Tim Berners-Lee's NeXTcube in the CERN museum and has not been recovered due to the computer's status as a historical artifact.

The World Wide Web, abbreviated as WWW and commonly known as The Web, is a system of interlinked hypertext documents contained on the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them by using hyperlinks.


What is URL

URL means a Uniform Resource Locator. It is a term used in the web world or other internet sources, which has two different meanings to it. One, it is popularly known as the Uniform Resource Identifier (URI).Technically people refer to it as URL instead of URI. Second, it is a subset of URI to identifiers who are primary locators. It is also pronounced as an acronym "EARL". It is an internet address that consists of http (access protocol), the domain name and it could also include the path to a file or resource on the server.

A Uniform Resource Locator helps detect a location with the help of its network location. URL normalization is a method by which URL are normalized in a reliable manner. This process transforms the URL into a normalized. With this process we can determine if different URL's are equivalent.

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