I use WP Super Cache with success on my blog, however, I noticed a drop in the earnings of the CPM advertisements on it, and I wonder if it could be related to this plugin.
CPM adverts are "pay per view" advertisements, loaded from an iframe inserted into my sidebar. Each time a user opens a new page of my blog, the iframe is required once again to send a banner and it counts as a new view. I considered as obvious that the contents of an iframe won't be cached, but who knows...
In your opinion, is it possible that WP Super Cache will also cache the contents of an iframe, and possibly give the advertiser (who pays me !) the impression there are less views than before, since his server doesn't receive new requests to send his banners ?
The question is of importance for me, as you can guess.