Pay per click

Pay per click, or PPC, is an advertising technique used on websites, especially search engines. Pay per click advertisements are usually text ads placed near search results; when a site visitor clicks on the advertisement, the advertiser is charged a small amount. Variants include pay for placement and pay for ranking. Pay per click is also sometimes known as Cost Per Click or CPC. Pay per click advertising (PPC) is a search engine marketing technique that requires you to pay a fee every time someone clicks to your website from an ad you've placed in a search engine's results . The more you agree to pay per click (or bid) for a specific keyword and the more effective your ad, the higher your site will rank in the paid search results

With search engines, pay per click advertisements are usually text ads placed near search results; when a site visitor clicks on the advertisement, the advertiser is charged a small amount. Variants include pay for placement and pay for ranking. Pay per click is also sometimes known as Cost Per Click (CPC).While many companies exist in this space, Google Adwords and Yahoo! Search Marketing (formerly Overture) are the largest network operators as of 2006. MSN has started beta testing with their own PPC services MSN adCenter. Other networks include Findwhat, Shopping.com, NexTag, BizRate and PriceGrabber. Depending on the search engine, minimum prices per click start at US$0.01 (up to US$0.50). Very popular search terms can cost much more on popular engines. Abuse of the pay per click model can result in click fraud. Click fraud is usually not detected very well by smaller PPC engines