All too often we see complaints about a sudden decrease in adsense and often curse it as one of those things over which we have no control, to be fair I have seen this myself which caused me to do a bit of research on the matter and find a solution.
During January I noticed earnings for a site drop from around $200+ per day head towards $100 which is a large drop and pretty unacceptable so an investigation was needed.
I have used Shawn’s Adsense chart tool to illustrate.
A pretty ugly chart as far as earnings go I am sure you’ll agree, it’s easy to curse and swear at adsense and feel helpless but it’s also easy to do a little more investigating to see what the problem was, a quick look at the clicks show that its not the site or traffic that seem to be causing the downturn.
Clicks seem healthy enough with no major variance and I confirmed traffic was unaffected so I now know that my problem is pretty much down to a poor payout for the usual clicks I am getting. I know the seasonal changes and the usual dips around the weekend that can affect earnings but this was very different.
It is at that point I decided to properly test the Competitive Ad Filter supplied in the Adsense account under the ‘Adsense Set up’ tab, this feature lets you list url’s that you don’t want to appear normally used to stop your competitors ads displaying on your website, however it can also be used for weeding out some low paying advertisers, arbitragers and MFA sites. A 200 url limit is imposed which could do with being increased to be fair.
Sites such as AdsBlacklist can create lists of low paying made for AdSense (MFA) sites in seconds although I believe you have to be a registered member there now to use the generator but they do offer 1 month for free which would let you test this out should it be an issue for you.
Taking the list and pasting it into my competitive ad filter brought earnings right back up and above where they were before for that website with an almost immediate turn around.
This is a real life example using the CSV file from adsense, coincidence?
The adsense increased by over 50% in a matter of days and I’d like to think it was because of the action I took, either way it’s something to check and try if it happens to you.