AdMob centres on the mobile ecosystem and stores and analyses data from every advert request, click and impression and then uses said information to optimise advert matching; each day they receive ad requests from more than 5 thousand publisher’s sites from over 160 nations.

Every month AdMob analyse said data and produces an AdMob Mobile Metrics Report which delivers information to device, country and manufacturer on AdMob’s top 6 markets by impressions in the UK, US, South Africa, the Philippines, Indonesia and India.

AdMob has launched AdMob Mobile Analytics which is a completely free analytics tool which allows site owners to understand performance of their mobile site better and helps evaluate its effectiveness with their advertising campaigns.

Source — admob