| Adsense is an advertising program run by Google that allows the businesses to run their advertisements on the websites of the publishers who participate in the program. Website owners can enroll in the Adsense program and opt to display the text, image and video ads on their websites that are related to the content of their websites. Google takes care of administering their ads and generate revenue for the publishers on either a per-click or per-thousand-impressions basis.
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. When a user clicks on any of the Ads displayed on the publishers website, Google shares a certain percentage of the cost that the Advertiser pays for that click with the publisher.
Currently, the AdSense 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). Optionally the publisher can choose to diplay ads from a differnet webiste or simply to show a solid color if he don't want PSAs to show on his site.
Many websites and blogs use AdSense to monetize their content and this caused the creation of millions of niche based websites that focus on a specific niche and attract the visitors and ads related to that niche.
Web masters use several ways to monitise their websites and blogs. Some of them are:
- They use a wide range of traffic generating techniques including but not limited to online advertising.
- They build valuable content on their sites which attracts AdSense ads which pay out the most when they get clicked.
- They use various techniques on their websites that encourage clicks on ads. However, 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.
Adsense for Search
Adsense for Search is a companion to the regular AdSense program, that allows website owners to 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.
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