Oktopost is leading in Top 100K Sites and Top 1M Sites.
w3roi has better usage coverage in more websites categories. Including Internet & Telecom, Health, Computer & Electronics, Arts & Entertainment and 24 other categories.
Oktopost is leading in Business & Industry, Marketing & Advertising, Business Services, Web Hosting and 13 other categories.
Oktopost is leading in most countries, including United States, Israel, Viet Nam, Ukraine and 7 other countries.
w3roi is leading in China, Netherlands, Germany, Hungary and 4 other countries.