A digital marketing term, in its simplest form contextual marketing shows a user advertisements based on terms for which they have searched. More advanced applications pull advertisements based on the content of a website being viewed, or on an individual’s browsing habits. Consequential adverts most commonly appear as pop-up ads, relating to the context of the website visited. This practice is also used by search engines as a result of keywords used by online visitor query.

See also:
Behavioural targeting
Contextual Advertising
Cost per acquisition (CPA)
Cost per click (CPC)
Reciprocal links
Ad rotation
Ad impression
RSS
E-Marketing
User Session
Deep Linking