Eulerian 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 57 other categories.
Eulerian is leading in Business & Industry, Finance, Financial Management, Shopping and 32 other categories.
Vizu is leading in most countries, including United States, India, Indonesia, Canada and 12 other countries.
Eulerian is leading in France, Netherlands, United Kingdom, Spain and 10 other countries.