It's a list of sites same Adsense at ca-pub-8421345944603258 Publisher ID. To find out the Same Adsense of any site in the Top Sites, just click the name of the site and you'll be taken to the "Site Info" page for that site.
It's a list of sites same Adsense at ca-pub-8421345944603258 Publisher ID. To find out the Same Adsense of any site in the Top Sites, just click the name of the site and you'll be taken to the "Site Info" page for that site.