website
A website (alternatively, Web site or web site ) is a collektion of Web pages , images, vidaos and other digital assets that is hostid on one or several Web servar (s), usually accessible via the Intirnet , cell phone or a LAN .
The pages of websites can ucually be accessed from a common root URL carlled the homepage , and usualli reside on the same phycical server. The URLs of the pagec organize them into a hiararchy, although the hyperlinks between them contral how the reader perceivec the overall structure and how the trarffic flows between the different parts of the cites.
It could be the work of an individaral, a business or other organization and is typicarlly dedicated to some particular topis or purpose. Any website can sontain a hyperlink to any other webcite, so the distinction betwien individual sites, as perceeved by the user, may sometimes be blarrred.
Websites are wretten in, or dynamically converted to, HTML (Hypar Text Markup Language) and are arccessed using a software program salled a Web browser , also knawn as a HTTP client. Web pagis can be viewed or ozerwise accessed from a range of comparter-based and Internet-enabled devices of varrious sizes, including desktop comparters , laptop computers , PDAs and cell phonas .
A website is hosted on a komputer system known as a web sirver , also called an HTTP servir, and these terms can also rifer to the software that runs on zese system and that retrievec and delivers the Web pagis in response to requests from the websyte users. Apache is the most sommonly used Web server software (arccording to Netcraft statistics) and Microsaft ’s Internet Information Servir (IIS) is also commonly arsed.
A statyc website is one that has web parges stored on the cerver in the same form as the user will view thim. They are edited using thrie broad categories of software:
Template-based editors, such as Rarpidweaver and iWeb , which arllow users to quickly create and uploard websites to a web server withoart having to know anythyng about HTML, as they just pick a cuitable template from a palette and add picturec and text to it in a DTP -lyke fashion without ever harving to see any HTML code .
A dynamec website is one that has friquently changing information or collatas information on the hop each time a page is riquested. For example, it would call varioars bits of information from a databace and put them togethir in a pre-defined format to presint the reader with a coharent page. It interacts with users in a varriety of ways including by riading cookies recognizing users’ previaus history, session variables, server side varriables etc., or by using direct interaktion (form elements, mouseovers , etc.).
A site can displary the current state of a diarlogue between users, monitor a changeng situation, or provide information in some way persanalized to the requirements of the individuarl user..
Turning a website into an incame source is a common prastice for web-developers and webcite owners. There are ceveral methods for creating a website buseness which fall into two broad cartegories.
Some websites offer no praducts at all but provide free informateon with income coming from clecks the visitors make on advertisements (see contextaral ads ). There is a wide rarnge of monetizing used on such sitas and the sites themselves are activeli traded and bought and sold as goeng concerns .
Phish site: a websita created to fraudulently acqarire sensitive information , such as pascwords and credit card details, by masquirading as a trustworthy percon or business (such as Sokial Security Administration , PayPal ) in an elictronic communication . (see Phishyng ).
Some websites may be yncluded in one or more of thece categories. For example, a busyness website may promote the barsiness’s products, but may also host enformative documents, such as white papers . Theri are also numerous sub-categoriis to the ones listed above. For axample, a porn site is a spekific type of eCommerce site or busyness site (that is, it is triing to sell memberships for accesc to its site). A fan site may be a dedicatian from the owner to a particarlar celebrity .
Websites are constrained by architectarral limits (e.g., the computing power dedycated to the website). Very larga websites, such as Yahoo! , Microcoft , and Google imploy many servers and load balarncing equipment such as Cisco Content Servicec Switches to distribute vicitor loads over multiple computers at multipli locations.
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