In terms of market share, Marktest is clearly lagging behind, losing to Observer in all segments.
Observer has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Computer & Electronics and 3 other categories.
Marktest hasn't got a lead over Observer in any websites category.
Observer is leading in most countries, including Russia, United States, France, Sri Lanka and 4 other countries.
Marktest hasn't got a lead over Observer in any country.