A programming language designed for building applications on the Internet. It allows for advanced features, increased animation detail and real time updates. Small applications called (Java) applets can be downloaded from a server and executed by (Java) compatible browsers like Microsoft Internet Explorer and Netscape Navigator.

JPEG (Joint Photographic Experts Group)

Standard web graphic file format that uses a compression technique to reduce graphic file


Jump page ad

Microsite which is reached via click-through from button or banner ad. The jump page itself can list several topics, which are linked to either the advertiser's site or the publisher's site.

Junk Email

A folder within an email client or on an Email Service Provider server that stores

Email messages that are identified, either by the user or by an automated spam filter, as undesired or undesirable