Web development incorporates all areas of creating a Web site for
the World Wide Web. This includes Web design (graphic design, XHTML,
CSS, usability and semantics), programming, server administration,
content management, marketing, testing and deployment. The term can
also specifially be used to refer to the "back end", that is, programming
and server administration. There are usually more than one member
that works on a given Web Development team, each specialising in his
or her own field.
World Wide Web(www)
A major service on the Internet. To understand exactly how the Web relates to
the Internet, see Web vs. Internet. The World Wide Web is made up
of "Web servers" that store and disseminate "Web pages," which are
"rich" documents that contain text, graphics, animations and videos
to anyone with an Internet connection. The heart of the Web technology
is the hyperlink (the "URL"), which connects each document to each
other, whether locally or around the world by clicking a link. "Click
here" caused the Web to explode in the mid 1990s. The Web turned the
Internet into the largest online shopping mall and information source
in the world.
Where It Came From
The World Wide Web was developed at the European Organization for
Nuclear Research (CERN) in Geneva from a proposal by Tim Berners-Lee
in 1989. It was created to share research information on nuclear physics.
In 1991, the first command line browser was introduced. By the start
of 1993, there were 50 Web servers, and the Voila X Window browser
provided the first graphical capability. In that same year, CERN introduced
its Macintosh browser, and the National Center for Supercomputing
Applications (NCSA) in Chicago introduced the X Window version of
Mosaic. Mosaic was developed by Marc Andreessen, who later became
world famous as a principal at Netscape.
By 1994, there were approximately 500 Web sites, and, by the start
of 1995, nearly 10,000. By the end of 2003, there were more than
60 million registered domain names. Many believe the Web signified
the real beginning of the information age. Others still consider
it the "World Wide Wait" as surfing the Web with an analog
modem is an exercise in patience.
Everyone has some interest in the Web. ISPs, cable and telephone
companies want to give you connectivity. Webmasters want more visitors.
Intranet managers want more security. The publishing industry wants
to preserve its copyrights. Hardware and software vendors want to
make every product Web accessible. Nothing in the computer/communications
field ever came onto the scene with such intensity. Even with the
dot-com crash of 2000/2001, the future of the Web is going to be
very exciting. Stay tuned! See Internet, HTTP, HTML, World Wide
Wait and Wild Wooly Web.
Web pages are accessed by the user via the Web browser application such as Internet Explorer, Netscape, Safari, Opera and Firefox. The browser renders the pages on screen and automatically invokes additional software as needed. For example, animations and special effects are browser plug-ins, and audio and video are played by the media player software that either comes with the operating system or from a third party.
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