Yahoo Search Marketing Analytics 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, Health and 64 other categories.
YellowTracker is leading in Arts & Entertainment, People & Society, News & Media, Music & Audio and 39 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including United States, Japan, Taiwan, Korea Republic and 27 other countries.
YellowTracker is leading in Netherlands, Belgium, Germany, Switzerland and 3 other countries.