1. A web page whose content or presentation can vary each time it is sent to a client. Such web pages are created by server-side scripting using such technologies as Active Server Pages or JavaServer Pages.

2. A Web page whose presentation can change after it has been sent to the client, either automatically or in response to input from the user. Such Web pages are created by client-side scripting using such languages as VBScript or JavaScript. Compare static Web page.