AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 48 other categories.
AdTotal is leading in Autos & Vehicles, Health, Investing, Finance and 8 other categories.
Harren Media is leading in most countries, including Brazil, Mexico, India, Spain and 25 other countries.
AdTotal is leading in Poland, Egypt, Turkey, Zimbabwe and one other country.