adsense alternatives

How to check a wordpress website that which company ads are running on this website if a website have to many company ads on it so how to find it that which ones this website is using

like

adsense
media.net
infolinks

how to find this Thanks

Check through Builtwith.com they give most of the details of any website.

Adsense Ads


Infolinks Ads


media.net