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If it's sometimes good and sometimes bad, when it is good and when is it bad?
In my case, advertisers that are using placement targeting are popping up on pages and I believe I am losing money because of it.
Where I use to get great ads targeted specifically to what the page is about, I now get general ads that target the audience for the whole site. It defeats the whole point of contextual advertising, as far as I can tell.
On a related note, how does a publisher opt out of these advertisers or do you just have to ban them one at a time?
Any other tips on placement targeting for AdSense publishers?
Thanks in advance for the help.
Two choices here, change your prefs to text only, and you'll get rid of most targeted ads. That's most, not all.
The other choice is to email support and ask them to turm off targeting for your site.
Now, is targeting good or bad?
Depends on the site, topic, audience, etc.
My own experience is that leaving targeting on is better than turning it off. I just tried using text only on a significant part of my site last month, the results were not good.
I went back to text and images, which results in more targeted ads.
I guess I will just continue to monitor the situation.
Hopefully, I won't see a lot of CPM or CPC placement-targeted ads on my site that are off-topic and NOT context-relevant to the pages they appear on.
If I want irrelevant ads that are not context-sensitive, I can get those ads from other advertising networks.
Site targeting has been introduced by Google long ago. It allows an advertiser to select a specific website for his ads to appear on.
As for placement targeting, it is a more recent feature introduced by Google. It allows advertisers not only to target a specific website, but also a specific ad space within that website. For this to work, the publisher must have opted in for placement-targeted ads by converting one or more of his custom channels into a "placement" or "ad space" ready for advertisers to publish.
More on placement targeting from Google:
It is easy to out-out of placement-targeting just by not adding such feature in your custom channels. As for opting out of site targeting, the answer above tackled that.
By the way, AdSense is now introducing a new feature for Publishers allowing them to review ads that are placement-targeted and may ban any of them if they wish. This new feature is rolling out gradually to publishers. So keep a look for the green box in your AdSense account.
More on this new feature from Google: