Eulerian is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Eulerian has better usage coverage in more websites categories. Including Business & Industry, Finance, Shopping, Financial Management and 61 other categories.
Zeta Search is leading in Internet & Telecom, Online Marketing, Investing, Social Network and 4 other categories.
Eulerian is leading in most countries, including France, United States, Russia, United Kingdom and 22 other countries.
Zeta Search is leading in Philippines, India and Australia.