Eulerian is leading in Top 100K Sites and Top 1M Sites.
Eulerian has better usage coverage in more websites categories. Including Business & Industry, Finance, Financial Management, Shopping and 61 other categories.
Zeta Search is leading in Online Marketing, Investing, Universities & Colleges, Business Services and 3 other categories.
Eulerian is leading in most countries, including France, Russia, Netherlands, Canada and 16 other countries.
Zeta Search is leading in United States and Philippines.