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, Financial Management, Shopping and 63 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 Kingdom, Russia, Spain and 18 other countries.
Zeta Search is leading in United States, Canada, India and Philippines.