What is Google AdSense?

Google AdSense perhaps is the fastest and easiest way to generate revenue from a website that contains great content. Google AdSense is the program that can give you advertising revenue from each page on your website—with a minimal investment in time and no additional resources.

AdSense delivers relevant text and image ads that are precisely targeted to your site and your site content. And when you add a Google search box to your site, AdSense delivers relevant text ads that are targeted to the Google search results pages generated by your visitors’ search request.

If you’d like to see an example of Google AdSense in action, visit this page about what is the best way to do Internet Marketing. On the right side of the page, you’ll see the “Ads by Google” followed by one to five text-based ads. The ads themselves are called “Google AdWords” and the program that lets publishers display them on their site is called “Google AdSense”.

Here is how Google answer the question – What is AdSense – in its FAQ (frequently asked questions):
“Google AdSense is a fast and easy way for website publishers of all sizes to display relevant Google ads on their website's content pages and earn money. Because the ads are related to what your visitors are looking for on your site — or matched to the characteristics and interests of the visitors your content attracts — you'll finally have a way to both monetize and enhance your content pages.

It's also a way for website publishers to provide Google web and site search to their visitors, and to earn money by displaying Google ads on the search results pages. The program is free, and combines pay-per-click and pay-per-impression advertising - meaning you get paid for valid clicks on the ads on your site or search results pages as well as impressions on your content pages. So go ahead and try this program."