Marktest is leading in Top 10K Sites and Top 100K Sites.
Marktest has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Music & Audio, News & Media and 4 other categories.
Statsit is leading in Business & Industry, Marketing & Advertising, Internet & Telecom, Travel and 3 other categories.
Marktest is leading in most countries, including Portugal, Brazil and France.
Statsit is leading in United States.