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Anyone noticed missing AdSense ads?

WebmasterWorld Senior Member farmboy us a WebmasterWorld Top Contributor of All Time 5+ Year Member Top Contributors Of The Month

Msg#: 3661914 posted 2:53 pm on May 29, 2008 (gmt 0)

There have been a couple of threads lately where someone mentioned ads were not appearing on their site(s). Just a blank space was there - no PSA's, nothing.

I've noticed it myself a couple of times and on pages that have had good targeted ads for years. One minute the ads aren't there - return to the page a few minutes later and they're back.

Someone else started a thread about a large difference in AdSense impressions recorded and the number of site visitors.

It got me to wondering if this is happening more often than is being noticed? I have no idea if someone visiting my site(s) right now is being shown ads.

Has anyone else found blank spaces where ads should be? I don't know a good way to check for it other than random checks, that's how I found the problem on my sites.




WebmasterWorld Senior Member hobbs us a WebmasterWorld Top Contributor of All Time 10+ Year Member

Msg#: 3661914 posted 3:22 pm on May 29, 2008 (gmt 0)

I don't know a good way to check for it

One needs to exclude extremities (sites or channels whose actual page and ad impressions are low), those fluctuate heavily and will never give you any solid data to base observations upon.

Second ALWAYS configure alternate ads to your channels and monitor daily from your own site statistics how many times the alternate ad file was served.

Finally all you need to do is look at a long term daily AdSense reported ads served vs. Site reported page impressions served graph.

If you are in tune with your site stats, you will know within few hours if something is out of whack even without the use of graphs.


WebmasterWorld Senior Member 5+ Year Member

Msg#: 3661914 posted 3:26 pm on May 29, 2008 (gmt 0)

funny that you mention this. yesterday i noticed on my sites blank spaces in the ad blocks showing from time to time (oddly colored, slightly brighter than my selected background color). was about to post something here if others had the same issues. however, problem seems to be fixed by now. although i suspected that this wasn't necessarily a problem but a test: show no ads in an ad block if the stats say that it's better for overall performance.. but doesn't make sense, does it?

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