Paid inclusion
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Paid inclusion is a service offered by search engine as a search engine marketing product, where the advertiser is charged fees for inclusion of websites in the search index. Paid inclusion products are provided by most search engine companies. The … Read More

Pay For Performance (P4P)
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P4P is an abbreviation of the term “Pay For Performance”. The concept was invented at Overture and later adopted by their competitors, most famously Google’s AdWords. Under the model advertisers bid on the rights to present a search result for … Read More

Organic search
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An organic search is a process by which World Wide Web users find web sites having unpaid search engine listings, as opposed to using the pay per click advertisement listings displayed among the search results. The field of search engine … Read More

Search engine results page (SERP)
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A search engine results page, or SERP is the listing of web pages returned by a search engine in response to a keyword query. The results normal include a list of web pages with titles, a link to the page, … Read More