Making money online through Adsense and other ad networks

Found this lengthy post on how one can maximize CPM ad earnings from AdSense. It directs one to scrutinize AdSense account's tips about the matter on how one gets paid for CPM ads. This have shed light on the old notion about a CPM ad placed anywhere will still earn the same amount:

"Placing your CPM ad units below the fold, or in an otherwise low-impact location, may result in lower earnings than if the ad unit was placed in a conspicuous location."

So placing a CPM ad on a forum's footer proves to be counterproductive.

Also, the post highlighted this important CPM Ad optimization tip for forum owners:

"Instead of showing CPC ads to registered users, one should explore the use of CPM ads when displaying to these users. To do so, simply modify the parameter in your ad code from “text_image” to “image”. You will need to utilize ad channels to track performance both before changing to CPM ads and after, depending on the personality of your forum, one may be more effective than the other."

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