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