BEST TRACKER TO TRACK PPC OFFERS ON AD NETWORKS?

Hey I am promoting Tech support offers on many ad networks but i dont know to to track their traffic sources to eliminate non performing traffic sources ...As it is COST PER CLICK offer how to track which sources are converting for me and which are not . Please suggest me some good trackers where i can track source ids and conversion

Thrive, im assuming does that.mif i used tracking like that, thats what id use. Anymore I just use analytics, my cloaker and mouseflow