Harren Media is leading in Top 100K Sites.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 51 other categories.
Vertical Acuity is leading in Energy and Rugby.
Harren Media is leading in most countries, including Brazil, United States, Mexico, Indonesia and 31 other countries.
Vertical Acuity is leading in Canada and Australia.