Alooma is leading in Top 10K Sites and Top 100K Sites.
Alooma has better usage coverage in more websites categories. Including Shopping, Internet & Telecom, Telecommunications, Online Marketing and 4 other categories.
Marktest is leading in People & Society, Arts & Entertainment, Music & Audio, News & Media and 4 other categories.
Marktest is leading in most countries, including Portugal, Brazil, Poland and India.
Alooma is leading in United States, United Kingdom and Germany.