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Server-side scripting
Server-side scripting is a technique used in scripts on a web server which produce a response customized for each user's (client's) request to the website. The alternative is for the web server itself to deliver a static web page. Scripts can be written in any of a number of server-side scripting languages that are available (see below). Server-side scripting is distinguished from client-side scripting where embedded scripts, such as JavaScript, are run client-side in a web browser, but both techniques are often used together.
Server-side scripting is often used to provide a customized interface for the user. These scripts may assemble client characteristics for use in customizing the response based on those characteristics, the user's requirements, access rights, etc. Server-side scripting also enables the website owner to hide the source code that generates the interface, whereas with client-side scripting, the user has access to all the code received by the client. A down-side to the use of server-side scripting is that the client needs to make further requests over the network to the server in order to show new information to the user via the web browser. These requests can slow down the experience for the user, place more load on the server, and prevent use of the application when the user is disconnected from the server.
When the server serves data in a commonly used manner, for example according to the Hypertext Transfer Protocol== History ==
Netscape introduced an implementation of JavaScript for server-side scripting with Netscape Enterprise Server, first released in December, 1994 (soon after releasing JavaScript for browsers).
Server-side scripting was later used in early 1995 by Fred DuFresne while developing the first web site for Boston, MA television station WCVB. The technology is described in (US patent 5835712 ). The patent was issued in 1998 and is now owned by Open Invention Network (OIN). In 2010 OIN named Fred DuFresne a ("Distinguished Inventor" ) for his work on server-side scripting.
Today, a variety of services use server-side scripting to deliver results back to a client as a paid or free service. An example would be WolframAlpha, which is a computational knowledge engine that computes results outside the clients environment and returns the computed result back. A more commonly used service is Google's proprietary search engine, which searches millions of cached results related to the user specified keyword and returns an ordered list of links back to the client. Apple's Siri application also employs server-side scripting outside of a web application. The application takes an input, computes a result, and returns the result back to the client.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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