what is adsense

Many websites use AdSense to monetize their content; it is the most popular advertising network.AdSense has 

been particularly important for delivering advertising revenue to small websites that do not have the resources for 

developing advertising sales programs and sales people to generate revenue with. To fill a website with 

advertisements that are relevant to the topics discussed, webmasters place a brief HTML code on the websites' 

pages. Websites that are content-rich have been very successful with this advertising program, as noted in a 

number of publisher case  on the AdSense website. AdSense publishers may only place three ad units per page.

                                                                         AdSense

 is a program run by GOOGLE. that allows publishers in the Google Network of content sites to serve automatic text, image, video, and rich media adverts that are targeted to site content and audience. These adverts are administered, sorted, and maintained by Google, and they can generate revenue on either a or-IMPRESSION basis. Google a - service, but discontinued it in October 2008 in favor of a  offering (also owned by Google). In Q1 2011, Google earned US $2.43 billion ($9.71 billion annualized), or 28% of total revenue,