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, Arts & Entertainment, Health and 76 other categories.
YellowTracker is leading in People & Society, Pets & Animals, Pets, Religion & Spirituality and 13 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including Japan, United States, Taiwan, South Korea and 35 other countries.
YellowTracker is leading in Netherlands, Belgium, Romania, Hungary and 2 other countries.