Marktest is leading in Top 10K Sites and Top 100K Sites.
Scout Analytics has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Health, Real Estate and 9 other categories.
Marktest is leading in Music & Audio, TV & Video and Newspapers.
Scout Analytics is leading in most countries, including United States, United Kingdom, China, Australia and 3 other countries.
Marktest is leading in Portugal, Brazil and Malaysia.