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 76 other categories.
YellowTracker is leading in Arts & Entertainment, People & Society, News & Media, Music & Audio and 37 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including Japan, United States, South Korea, Taiwan and 26 other countries.
YellowTracker is leading in Netherlands, Belgium, Germany, Israel and 12 other countries.