Yahoo Search Marketing Analytics is leading in Top 1M Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Health and 45 other categories.
YellowTracker is leading in Arts & Entertainment, People & Society, News & Media, Music & Audio and 33 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including United States, Japan, Taiwan, Korea Republic and 22 other countries.
YellowTracker is leading in Netherlands, Belgium, Germany, Spain and 7 other countries.