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 63 other categories.
Zeta Search is leading in Online Marketing, Investing, Social Network, Universities & Colleges and 3 other categories.
Eulerian is leading in most countries, including France, Netherlands, United Kingdom, Germany and 16 other countries.
Zeta Search is leading in United States.