Alooma is leading in Top 100K Sites.
Marktest has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Music & Audio, Religion & Spirituality and 4 other categories.
Alooma is leading in Internet & Telecom, Telecommunications, Online Marketing, Education and 2 other categories.
Alooma is leading in most countries, including United States, United Kingdom, Australia and Canada.
Marktest is leading in Brazil.