Pay per clicks are utilized on advertising networks, search engines and content website, and that it considered to be a component of online advertising.The advertiser has to pay only if the user clicks on the AD.When it comes to search engines, advertisers can bid on keywords that match their keyword list.When a person type the keyword which relates to your keyword list, then automatically your ad will be displayed.In case the visitor clicks on sponsored ad or a sponsored link that is the shown advertisement, then the advertiser is obliged to pay the particular bid amount for the result of “pay per click”.
As per the keyword popularity and competition, the bid is displaced much in advance.Sometimes content pages are also chosen for advertising pay per clicks, but the fact is that it can be placed anywhere according to the desire of the webmaster or a blogger.Pay Per Click is especially popular on sites which have heavy content.The concept is that the advertiser pays a share of income to the web master or the blogger where the AD is displayed.Content websites charge a fixed price per click whereas yahoo and google search engines use bidding mechanism.

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The third largest network Pay Per Click advertising is the Microsoft Adcentre.The cost per click or CPC referred for bare minimum price for pay per click wholly depends upon the search engine utilized by you and the intensity of competition faced by the particular keyword and so considerably there is variation in CPC.The range vary from US $0.01 to 14.00 or $15.00 USD.

Pay Per Click on the basis of Keyword.These keywords can be anything word, phrase, name of the company, product model, etc and bidding is done to use such keywords on search engine.When a specific keyword is searched by the visitor, the complete directory of advertiser links will be shown in the search engine results as per the amount of bid placed by the advertisers for that given keyword.“Blog” is one such examples of keyword which is more competitive and so the bidding rates are high.On the other hand phrases like “learn how to write a blog post” are not so competitive and so are rated at lower price.

Finally, it totally depends on the advertisers as to which keyword they should select for their PPC campaign.When it comes to Pay Per click or PPC advertising, keywords are extremely important and they are considered as a trade secret by the advertisers who value and utilize them.There are many other PPC search engines like Baidu, Yandex, Ask.com, MIVA and LookSmart, besides Google, Yahoo, and Microsoft.