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