Ad Issues

Hello Everyone,
 
I have run into a problem with my website.
 
This problem is mainly due to 3rd party ads.
 
Here is the issue:
 
I have a simple web page and somewhere in between I give a call to a 3rd party ad.
Due to some issues at their end, I can't use an iframe so the ad comes in the normal flow of the document.
 
The problem is that sometimes the 3rd party code just sends a URL which in turn gets the ad.
 
But, it just happened that they might send a URL that redirects to the same URL and hence forms an infinite loop.
 
This can at anytime break my website.
 
Any thoughts on how I could prevent this?
 
I don't want any 3rd party to have control over breaking my site :)
 
Thanks,
Mandy.


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