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CTR varies the most

Would think PPC or Impressions would vary more

     
7:29 am on Mar 13, 2004 (gmt 0)

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CTR fluctuations from one day to the next can be quite extreme. No changes to pages or ads at all.
2:42 am on Mar 14, 2004 (gmt 0)

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Just wondering if this post got through as I didn't see any replies.
7:03 am on Mar 14, 2004 (gmt 0)

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It did.

My clicktrough rate and earnings pr. click also jumps up and down by factor 2 or more. That appears to be normal ... at least now ... I have been running adsense for 1 1/2 month.

My number of exposures follows a weekly cycle with a wee bit of growth.

2:34 pm on Mar 14, 2004 (gmt 0)

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Same here....

Are we allowed to say what CTR we get?

2:45 pm on Mar 14, 2004 (gmt 0)

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Are we allowed to say what CTR we get?

In a word No.

You agree not to disclose Google Confidential Information without Google's prior written consent. "Google Confidential Information" includes without limitation:....(b) click-through rates or other statistics relating to Site performance in the Program provided to You by Google....

from the AdSense Terms and Conditions that you agreed to before participating in the program.

4:49 pm on Mar 14, 2004 (gmt 0)

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Factors like what advertisers are currently running campaigns and where your traffic is coming from on a particular day can affect CTR. But IMO the most likely explanation is simple statistical variance. How many impressions do you get on a typical day?

(I'm sure it's OK to disclose that number, as it's integral to your site and has no impact on AdSense performance.)

5:39 pm on Mar 14, 2004 (gmt 0)

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jomaxx wrote:
(I'm sure it's OK to disclose that number, as it's integral to your site and has no impact on AdSense performance.)

From memory I believe the AdSense TOS says it's fine to disclose statistics that could be learned from sources other than the AdSense reports so that should be ok. After all, if you show AdSense on all of your pages it would be quite restrictive for Google to say that you can't share how many page views your site gets in a day.

To the original poster, I'd expect CTR to have the most daily fluctuation of all the metrics you listed.

4:57 am on Mar 15, 2004 (gmt 0)

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We also get typical CTR variation of around 2-3% - and somedays it's up 5% but drops back to "normal" CTR - and some days we get drop as well...

It would be because of new advertisers - others dropping off - balances reached - specials etc...

Have been running Adsense for 7 months...

12:55 pm on Mar 15, 2004 (gmt 0)

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cyanweb wrote:
We also get typical CTR variation of around 2-3% - and somedays it's up 5%...

I assume you mean percentage points, not actual variation as a percentage of your average, otherwise you have some steady CTRs! What I mean is if your average CTR is 4% and one day it's 6% that's really expressed as a 50% variation (the 2% difference divided by the 4% average), not a 2% variation.

It would be because of new advertisers - others dropping off - balances reached - specials etc...

All those things play a part, but the fact that users aren't robots is probably the biggest factor. User A might visit your site, view 2 pages and click 3 ads. User B might not be in buy mode and may have seen all of the ads before or might just not be one who clicks ads and might visit 15 pages without clicking an ad. Even with 5-figure impressions per day on my niche site which almost always shows the same small number of advertisers across all pages and 90% of impressions made by first-time users, daily variations in CTR average 20%.