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Previously this page has always had appropriate ads for the content. It's not a new page by any means and has been onsite for nearly a year.
Anyone else seeing similar problems?
I'm thinking about starting a site on industrial machinery and heating systems. :)
EPC, CTR, and eCPM have all dropped sharply (eCPM by about a third).
Targeting snafus happen every so often, but this is probably the worst in my experience, at least in terms of its effect on revenue.
What I mean by that is that my 3 ad blocks are randomly not appearing on pages which makes zero sense with AdLinks so I'm suspecting AdSense is suffering from growth problems.
Here's an example, hit reload on a page a few times you get 3 ads, 1 ad, 2 ads, 1 ad, 3 ads, etc.
That crap makes me wonder if they aren't hitting a threshold and about to tank.
Probably is an algo update. Im sure someone said that the algo for Adlinks had been refined.
My problems have solved themselves now as I found our what was causing the problem.
I had the word "murderer" in a news topic title.
Boy did that mess things up. Took me best part of two days to realise this was the problem.
I took it out, all the ads came back fine. I put it back in just to test, and sure enough, the ads went screwy again.
I think I also discovered how to test if a particular word is a "stop" word.
1. Ensure you have the Adsense preview tool.
2. Go to Google and search for the suspect word.
3. No ads on the right? 80% this is a stop word.
4. Use the preview tool. Ads of totally no relevance? Definite stop word.
I could be wrong, but it worked for me.
They're back to normal(ish) today, but earnings have plummetted.
but earnings have plummetted
Mine too, yesterday and today. I'm also seeing US-oriented ads on a UK-focused site, and god only knows what the rest of the world is seeing - obviously not too many ads they want to click on :(
EFV mentioned the ads he was seeing were mis-targetted, although they looked fine here (UK). Maybe G's got its geo-targetting screwed up.
[edited by: martinibuster at 10:32 am (utc) on Jan. 22, 2006]
[edit reason] Removed URL per TOS [webmasterworld.com]. [/edit]