server-side

Server-side refers to operations that are performed by the server in a client-server relationship in computer networking.Typically, a server is a software program, such as a web server, that runs on a remote server, reachable from a user's local computer or workstation. Operations may be performed server-side because they require access to information or functionality that is not available on the client, or require typical behaviour that is unreliable when it is done client-side.
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Client-server is a computing architecture which separates a client from a server, and is almost always implemented over a computer network. Each client or server connected to a network can also be referred to as a node. The most basic type of client-server architecture employs only two types of nodes: clients and servers. This type of architecture is sometimes referred to as two-tier. It allows devices to share files and resources.
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<World-Wide Web> Processing or content generation that is done on the web server or other server, as opposed to on the client computer where the web browser is running.
An example is server-side include where one file is inserted in another before it is served, rather than, say, having the browser request the files separately and combine them using an iframe. A very common kind of server-side processing is the inclusion of data from a database in a web page.
There are many software environments and technologies designed for server-side processing, e.g. CGI, ISAPI, WebObjects and ASP.
The greatest advantage of server-side processing is that it is independent of the many different client software environments that exist on the Internet, chiefly different web browsers and operating systems. The disadvantage is that the user must wait for a response from the server which is a much slower form of interaction than is possible with client-side processing using, e.g., JavaScript.
(2003-12-29)