Marktest is leading in Top 10K Sites and Top 100K Sites.
Oktopost has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Business Services and 15 other categories.
Marktest is leading in People & Society, Arts & Entertainment, Music & Audio, News & Media and 3 other categories.
Oktopost is leading in most countries, including United States, United Kingdom, Canada, Israel and 10 other countries.
Marktest is leading in Portugal and Brazil.