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ARTICLES IN THE BOOK

  1. AdSense
  2. AdWords
  3. Allinanchor command
  4. AutoLink
  5. BigTable
  6. Blogger
  7. CustomizeGoogle
  8. Deep link
  9. Egosurfing
  10. ElgooG
  11. Eric E. Schmidt
  12. Features of Gmail
  13. French military victories
  14. Froogle
  15. Gmail
  16. GMail Drive
  17. GmailFS
  18. Gmail Mobile
  19. Goobuntu
  20. Google
  21. Google.org
  22. Google Alerts
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  24. Google and privacy issues
  25. Google Answers
  26. Googlebait
  27. Google Base
  28. Google bomb
  29. Google Book Search
  30. Googlebot
  31. Google Browser Sync
  32. Google Calendar
  33. Google Checkout
  34. Google China
  35. Google Code
  36. Google Code Search
  37. Google consultant
  38. Google Current
  39. Google Desktop
  40. Google Docs Spreadsheets
  41. Google Earth
  42. Google economy
  43. Googlefight
  44. Google File System
  45. Google Finance
  46. Google Foundation
  47. Google Founders' Award
  48. Google generation
  49. Google Groups
  50. Google Hacking
  51. Google Hacks
  52. Google Image Labeler
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  54. 302 Google Jacking
  55. Google juice
  56. Google Labs
  57. Google Language Tools
  58. Google logo
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  62. Google Pack
  63. Google Page Creator
  64. Google PC
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  72. Googleshare
  73. Google's hoaxes
  74. Google Summer of Code
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  84. Googlewhack
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  114. Scraper site
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  116. Search engine optimization
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  118. Sergey Brin
  119. Urchin Software Corporation
  120. Web traffic
  121. YouTube

 

 
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THE WORLD OF GOOGLE
This article is from:
http://en.wikipedia.org/wiki/AdSense

All text is available under the terms of the GNU Free Documentation License: http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License 

AdSense

From Wikipedia, the free encyclopedia

 

AdSense is an ad serving program run by Google. Website owners can enroll in this program to enable text, image and, more recently, video advertisements on their sites. These ads are administered by Google and generate revenue on either a per-click or per-thousand-impressions basis. Google is also currently beta-testing a cost-per-action based service.

Google utilizes its search technology to serve ads based on website content, the user's geographical location, and other factors. Those wanting to advertise with Google's targeted ad system may sign up through AdWords. AdSense has become a popular method of placing advertising on a website because the ads are less intrusive than most banners, and the content of the ads is often relevant to the website.

It currently uses JavaScript code to incorporate the advertisements into a participating site. If it is included on a site which has not yet been crawled by the Mediabot, it will temporarily display advertisements for charitable causes known as public service announcements (PSAs). (Note that the Mediabot is a separate crawler from the Googlebot that maintains Google's search index.)

Many sites use AdSense to monetize their content and some webmasters work hard to maximize their own AdSense income. They do this in three ways:

  1. They use a wide range of traffic generating techniques including but not limited to online advertising.
  2. They build valuable content on their sites; content which attracts AdSense ads and which pay out the most when they get clicked.
  3. They use copy on their websites that encourage clicks on ads. Note that Google prohibits people from using phrases like "Click on my AdSense ads" to increase click rates. Phrases accepted are "Sponsored Links" and "Advertisements".

The source of all AdSense income is the AdWords program which in turn has a complex pricing model based on a Vickrey second price auction, in that it commands an advertiser to submit a sealed bid (not observable by competitors). Additionally, for any given click received, advertisers only pay one bid increment above the second-highest bid.

History

The underlying technology behind AdSense was derived originally from WordNet and Simpli, a company started by the founder of Wordnet — George A. Miller — and a number of Professors and graduate students from Brown University, including James A. Anderson, Jeff Stibel and Steve Reiss. [1] A variation of this technology utilizing Wordnet was developed by Oingo, a small search engine company based in Santa Monica founded in 1998. [2] Oingo focused on semantic searches rather than brute force string searches. [3] Oingo changed its name to Applied Semantics, which was then bought by Google in April 2003, to replace a similar system being developed in house. [4]

AdSense for feeds

In May 2005, Google unveiled AdSense for feeds, a version of AdSense that runs on RSS and Atom feeds that have more than 100 active subscribers. According to the Official Google Blog, "advertisers have their ads placed in the most appropriate feed articles; publishers are paid for their original content; readers see relevant advertising — and in the long run, more quality feeds to choose from".

AdSense for feeds works by inserting images into a feed. When the image is displayed by the reader/browser, Google writes the ad content into the image that it returns. The ad content is chosen based on the content of the feed surrounding the image. When the user clicks the image, he or she is redirected to the advertiser's site in the same way as regular AdSense ads.

AdSense for search

A companion to the regular AdSense program, AdSense for search lets website owners place Google search boxes on their pages. When a user searches the web or the site with the search box, Google shares any ad revenue it makes from those searches with the site owner. However, only if the ads on the page are clicked, the publisher is paid. Adsense does not pay publishers for mere searches.

How AdSense works

Each time a visitor visits a page with an AdSense tag, a piece of JavaScript writes an iframe tag, whose src attribute includes the URL of the page. Google's servers use a cache of the page for the URL or the keywords in the URL itself to determine a set of high-value keywords. (Some of the details are described in the AdSense patent.) If keywords have been cached already, ads are served for those keywords based on the AdWords bidding system.

Abuse

Some webmasters create sites tailored to lure searchers from Google and other engines onto their AdSense site to make money from clicks. These "zombie" sites often contain nothing but a large amount of interconnected, automated content (e.g.: A directory with content from the Open Directory Project, or scraper sites relying on RSS feeds for content). Possibly the most popular form of such "AdSense farms" are splogs ("spam blogs"), which are centered around known high-paying keywords. Also many sites use free content from other web sites, such as Wikipedia, to attract visitors. These and related approaches are considered to be search engine spam and can be reported to Google.

There have also been reports of Trojans engineered to produce fake Google ads that are formatted to look like legitimate ones. The Trojan Horse apparently downloads itself onto an unsuspecting computer through a web page and then replaces the original ads with its own set of malicious ads. [5]

Criticism

Due to concerns about click fraud, Google AdSense has been criticized by some SEO firms as a large source of what Google calls "invalid clicks" in which one company clicks on a rival's search engine ads to drive up its costs. [6] Some disabled publishers have complained that the process is not transparent or accountable. [7]

To help prevent click fraud, publishers can choose from a number of click tracking programs. These programs will display detailed information about the visitors who click on the AdSense advertisements. Publishers can use that data to determine if they've been a victim of click fraud or not. There are a number of such commercial scripts available for purchase. An open source alternative is AdLogger.

Google has also come under fire for not doing enough to combat the misuse of trademarks. Since 2004, Google had stopped prohibiting advertisers from bidding on any keyword, including trademarked terms. [8]

See also

  • List of Google products
  • AdSense for MediaWiki
  • BidClix
  • Kanoodle
  • Yahoo! Search Marketing

References

  1. ^ Om Malik. "How Google is that?", Forbes, 1999-04-10.
  2. ^ Paula J. Hane. "Beyond Keyword Searching", Info Today, 1999-12-20.
  3. ^ Sherman Fridman. "NetZero Acquires Simpli.com's Marketing Technology", Newsbytes PM, 2000-05-25.
  4. ^ "Google Acquires Applied Semantics", Press release, 2003-04-23.
  5. ^ Benaifer Jah. "Trojan Horse program that targets Google Adsense ads", TechShout, 2005-12-27.
  6. ^ Charles C. Mann. "How click fraud could swallow the internet", Wired, January 2006.
  7. ^ Benjamin Cohen. "The nonsense about AdSense", The Times, 2006-07-04.
  8. ^ Stefanie Olsen. "Google plans trademark gambit", CNET, 2004-04-13.

External links

  • Google AdSense
  • Inside AdSense (official blog)
  • AdSense patent application


 

Retrieved from "http://en.wikipedia.org/wiki/AdSense"