Adsense

Google  Ad-Sense  program that is run by google  .that permit  publishers in the Google Network of content sites to perform automatic text , image, video, and rich media adverts that are targeted to site content and audience . Those advertisement are maintained, sorted, and managed by Google, and they can generate revenue on either a pay per click . in  2011, Google earned US$2.43 billion ($9.71 billion annualized), or 28% of total income , by  Google Ad-Sense 

Ad-Sense for Feeds

Google launch  in 2005 a limited-participation  of Ad-Sense for Feeds, this  version of Ad-Sense that runs as RSS feeds that have more than 100 active subscribers over the world. In according to the Official  Blog, advertisers have their advertisement  placed in the most appropriate feed article ,  publishers are paid for their  content ,  readers watch relevant advertising— in the long run,the  more quality feeds to choose from.

How Ad-Sense Dos

The webmaster include the Ad-Sense java  code in  webpage . Every time  page is visited by searcher, the Java-Script code uses inlined to display content drag from Google's servers .  Google's servers use a catches of the page to estimate a set of high-value  key-words. If key-words have been cached all ready , advertisements are served for  keywords based on the Ad-Words bidding system. 

Ad-Sense for mobile

Ad-Sense for mobile content permit  publishers to create income  from mobile website  using Google advertisements. like Ad-Sense , Google matches ads according to the content of a website , Instead of traditional JavaScript code, technologies such as PHP, ASP  others are used.