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, Travel, Shopping and 53 other categories.
Zeta Search is leading in Online Marketing, Universities & Colleges, Equestrian, Social Network and one other category.
Eulerian is leading in most countries, including France, United Kingdom, Italy, Belgium and 8 other countries.
Zeta Search is leading in United States, Canada and India.