In computer science, and particularly in search engines, relevance is a numerical score assigned to a search result, representing how well the result meets the information need of the user that issued the search query. In many cases, a result's relevance determines the order in which it is presented to the user.
Internet marketing is the use of the Internet to advertise and sell goods and services. Internet Marketing includes pay per click advertising, banner ads, e-mail marketing, search engine marketing (including search engine optimization), blog marketing, and article marketing.
Smith and Chaffey (2001) describe five key online marketing activities (the '5Ss') which can be applied by an organisation to implement various online marketing tactics. For example, for an e-newsletter, the 5Ss are:
