World Wide Web or WWW or W3 is over the
Internet retrievable system of electronic hypertext documents, through
hyperlinks and about the HTTP or HTTPS protocols. To use the World Wide
Web a Web browser needs ata from the Web server and fetches as screen
display. The user can follow the links in the document that refer to
other documents, whether they are stored on the same server or another.
This results in a global network of websites. Tracking the hyperlink is
often referred to as Internet surfing.
How World Wide Web or WWW Works
The WWW is in common usage, often
synonymous with the Internet, although it is younger and only provides
one of several possible uses of the Internet. There are other Internet
services that are not integrated into the Web like IRC and telnet. As
said by Tim Berners-Lee , the World Wide Web (W3) is a wide-area
hypermedia information retrieval initiative aiming to give universal
access to a large universe of documents.
World Wide Web is different from
contemporary hypertext systems. World Wide Web requires only
unidirectional links rather than bidirectional, making it possible to
put a link to a resource without requiring intervention from its owner.
Moreover, unlike other protocols, such as HyperCard or Gopher, World
Wide Web is built in an way, which made the development of servers and
clients without the restrictions of licenses.
Operation of World Wide Web
The World Wide Web is based on three core
standards, HTTP as a protocol by which the browser information from the
web server may ask for, HTML as a document description language that
defines how the information is structured and how the documents are
linked ( hyperlinks ), URLs as a unique identifier of a resource in the
links is used.
Other standards of World Wide Web (W3)
were added later, like Cascading Style Sheets (CSS) to create the
appearance of the elements of a website.
The World Wide Web / W3C and other
initiatives are to drive the development, therefore, in the direction of
XHTML / XML, and CSS forward to regain the advantages of HTML. The
ongoing efforts by the accessibility of Internet sites support this
trend.
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