CPA Forecast Matching SEM 
Startup Professionals Musings
OCTOBER 3, 2010
Probably every one of you who has a business and a website have been approached through email or personal contact, and asked to spend money on Search Engine Marketing (SEM). SEM is sometimes called “buying your way into search results.” Cost per action (CPA). Keyword research and budget forecasting.
Startup Professionals Musings
MARCH 23, 2013
Cost per action (CPA). Keyword research and budget forecasting. All these models start with the advertiser choosing the right search keywords to match user searches. For sites displaying the ads, this is called pay per click (PPC). The display side is called pay per action (PPA) or pay per lead (PPL).
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