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I cannot be certain but I have always believed they keep a record of correspondents with there publishers. Now if you do ever recieve any fraud clicks, the banning committee (or person) can see they you are working to actively stop fraud clicks and this might give you enough brownie points to survive it (god forbid it ever happens to you).
By the time Google updates the AdSense reporting, most of the "damage" would have been done anyway. If it were me, I'd have left the ads on, contacted Google about the increase, and have them look into it; and also ask for advice on whether to pull the ads or not. This way they are aware of the increase, and it is now up to them to figure out what is going on. You took the initiative, and showed them you want to make sure the advertisers are being treated as fair as possible, while not losing any income.
Jenstar hasn't weighed in yet, so I will repeat something she constantly emphasizes - your impressions, clicks and earnings sometimes update at different rates - so your whole fear of having double your normal CTR might very well be a statistics updating issue.
I would suggest that if you are making, as you stated, a dollar a day - you should be more concerned about creating more content on your site rather than micromanaging your tiny income from adsense.
[edited by: PatrickDeese at 7:02 pm (utc) on Mar. 9, 2005]
It seems to graph up and down with my traffic from my server logs, try it and see.
I have seen dramatic swings and never called adsense ever. I am in and out of the ups club too, sometimes I break it, sometimes no.
It's like self employment, it fluctuates. Part of adsense life.
Don't think that will happen kind sir. I run a clean shop.
I would suggest that if you are making, as you stated, a dollar a day - you should be more concerned about creating more content on your site rather than micromanaging your tiny income from adsense
i said if i was making a dollar a day i would not care. but i am making far more that so like i said id rather be safe than sorry.
I get the odd day when there is a spike upwards - usually followed by a downturn for a day or so. I don't let it worry me, but I think you possibly did the right thing. However, I'd be looking to put the ads back asap. The wide variance may be just part of a changing pattern for you. Monitor it on a longer term basis than one day.
Again, you'd be paranoid because you reacted so fast. You'll never get any type of valid statistical data on what should be your "normal" stats by making changes on every drop of a pin.
I realize you can't give specifics about AdSense results, but CTR alone is not much to go on. You didn't mention whether impressions were higher or lower than normal, whether CPC/revenue was higher or lower than normal, the approximate number of pageviews you get per day (not proprietary since this can come from your own stats), or the timezone you are in (i.e. what portion of the day had passed when you checked your stats).
Have you changed your site recently? I did, I got rid of my cross-linking with newer sites I've launched. Right away I noticed the more relevant ads and higher CTR.