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, Travel and 54 other categories.
Zeta Search is leading in Online Marketing, Social Network, Universities & Colleges, Business Services and one other category.
Eulerian is leading in most countries, including France, Russia, United Kingdom, Canada and 18 other countries.
Zeta Search is leading in United States, South Africa, Oman and Afghanistan.