There's no difference between google adsense loading and cpm.
Because both of them are just 2 names of 1 thing.
Name is the only difference between both of them, Rest is the same.
Both of their method is also the same.
But keep in mind that both of them has already been dead it means that none of their method(s) are working anymore.
I've already told you about both of them in detail.
If you haven't read that then you can do so by tapping here.
More curious? Then you can simply give a good tap here and another one here.