I specifically wanted a self-contained solution, but assuming your site has ads in the first place, a better approach would be to see if your actual ads are loading on the page or not. http://www.Fark.com/ does this (load the page with adblock and then wait a few seconds)
I specifically wanted a self-contained solution, but assuming your site has ads in the first place, a better approach would be to see if your actual ads are loading on the page or not. http://www.Fark.com/ does this (load the page with adblock and then wait a few seconds)