Why are the google adsense ads not showing up?

Question

I had a website that I just sold. I created adsense ads for it. The new owner replaced the pub# with their own 2 days ago and the ads still are not showing up.

I only ask because now Google started saving the ads you create to your account to be edited later. I know you used to be able to replace the pub # with a different one and the ads would work fine.

All of the ads are custom designed to blend in with the website (as in background color and sizes) and there are quite a few pages on the website.

Answer 1

maybe that is not the correct pub number. Check also the ad channel. I would suggest that the new owner should get the ad code from his account on the adsense site to be sure.  

Answer 2

You have all color codes, create ads again. Will be better for you.

Thanks,

Technology Update

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Answer 3

probably best off creating the code again from the right publishers account, the channels may have something to do with it

Answer 4

It is because adsense cant match the ads with your recent "keyword". You might need to either change/add some content or move the adsense ads placement