Oktopost is leading in Top 100K Sites and Top 1M Sites.
Vizu has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Technology News and 72 other categories.
Oktopost is leading in Marketing & Advertising, Business Services, Telecommunications, Ad Network and one other category.
Vizu is leading in most countries, including India, Canada, Indonesia, Australia and 14 other countries.
Oktopost is leading in United States, United Kingdom, Israel, Turkey and 4 other countries.