AJAX

AJAX is the name of a programming technique which combines JavaScript and XML to update the content on a page in the background without re-loading the page. Google Maps is a great example of AJAX in action (see JavaScript).

API

(Application Programming Interface) An interface for letting a program communicate with another program. In web terms: An interface for letting web browsers or web servers communicate with other programs. (See also Active-X and Plug-In)

ASP

(Active Server Pages) A Microsoft technology allowing the insertion of server executable scripts in web pages.

AVI

(Audio Video Interleave) File format for video files. Video compression technology developed by Microsoft.

Anchor

In web terms: The starting point or ending point of a hyperlink.

Apache

An open source web server. Mostly for Unix, Linux and Solaris platforms.

Authentication

In web terms: the method used to verify the identity of a user, program or computer on the web.