Friday 17 February 2012

Google AdSense and AdWords - Like Yin and Yang

By: Nicholas LaPolla

Many websites include a section or two with the "Ads by Google" above it or below it. These are ads displayed via Google's AdSense. When you do a search on Google and see ads in the search results pages, they are generally AdSense ads.

AdSense - The Yin:

Google's AdSense is programming that "senses" the content of a page or search. It finds keywords on a web page or in a search phrase to determine the subject of the content. It does this by either "reading" the page, or taking a look at the search term that was typed into Google Search. It can "Sense" which ads in the system are relevant to the content or search and display them - thus: "AdSense."

Before ads on a page are displayed, AdSense searches its database of advertisers and finds ads that are associated with keywords on the page or in the search. Now AdSense needs to decide which of the thousands of ads vying for position are actually displayed. To make this decision, AsSense looks at the advertiser's bids for the relevant keywords. The advertisers that have a combination of the highest bid, keyword relevance and best click through get displayed first.

Google tracks clicks on ads and advertisers pay Google the bid price for each click. When the AdSense ad is on someone's web page, Google pays the website owner a portion of the payment for each click. The term "monetizing" your site refers to taking your existing site and placing ads like AdSense on it to make money (or finding other way to make money with websites). If you get 10,000 visitors and 10% of them click an ad that pays you, theoretically, $0.75 per click, you just made $750! Not bad for just copying some AdSense code (which Google provides) into your popular website's HTML (if your site is not popular, learn about SEO - Search Engine Optimization - from sites like AcmeWebResources).

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