"inspect element" - which domain to allow?

[alabamatoy]

I guess I dont understand enough about CSS... but when I go to a complex site, I struggle with which sites to allow in order to get the functionality I want. Pandora is a good example. There is a bunch of crap on this site which point to bing and adobe type manager and various other things....but I seem unable to get certain functions to work.

Sites like foxnews and CNN require a LOT of time experimenting with allowing and disallowing until basic stuff works (like reading articles or seeing images).

Is there a simple way to use "inspect element" or some other functionality to determine what site to allow for a specific button?

[barbaz]

Unfortunately such thing is not technically possible.