Harren Media is leading in 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 43 other categories.
Vertical Acuity is leading in Social Network.
Harren Media is leading in most countries, including Spain, Brazil, Mexico, Canada and 24 other countries.
Vertical Acuity is leading in Nigeria and Morocco.