Eulerian is leading in Top 100K Sites and Top 1M Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Arts & Entertainment and 69 other categories.
Eulerian is leading in Finance, Financial Management, People & Society, Travel and 23 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including United States, Japan, Korea Republic, Spain and 35 other countries.
Eulerian is leading in France, Russia, Netherlands, Greece and 7 other countries.