Commercial messages on the net are identified as

Concept

Internet terminology may use either descriptive phrases or portmanteaus.

A portmanteau combines parts of two words into a compact label; its meaning is established from both source words.

Application

Webmercials combines ‘web’ with ‘commercials’. The term denotes commercials or commercial messages made for or delivered through the World Wide Web. Thus the commercial messages described here are called webmercials.

Contrast

• ‘Net ads’ is an informal description of advertisements placed on a network.

• ‘Internet commercials’ is a transparent generic phrase for commercials associated with the Internet.

• ‘Viral advertisements’ describes promotion by its sharing-driven mode of spread rather than by the online medium alone.

Result

The identified term is Webmercials.