Enabling Technologies
The enabling technologies for Web applications are varied, differentiated principally by the vendors. Enabling technologies are, in part, the mechanism by which Web pages become dynamic and respond to user input. There are several approaches to enabling a Web application. The earliest ones involved the execution of a separate module by the Web server. Instead of requesting an HTML-formatted page from the file system, the browser would request the module, which the Web server interpreted as a request to load and run the module. The module's output is usually a properly formatted HTML page but could be image, audio, video, or other data.
The original mechanism for processing user input in a Web system, the Common Gateway Interface ...
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