Marktest is leading in Top 10K Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Online Marketing, Health and 17 other categories.
Marktest is leading in People & Society, Music & Audio, Arts & Entertainment, Soccer and one other category.
Zeta Search is leading in most countries, including United States, United Arab Emirates, Thailand, Armenia and 2 other countries.
Marktest is leading in Brazil, Portugal and France.