Blueshift is leading in Top 10K Sites and Top 100K Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Arts & Entertainment and 82 other categories.
Blueshift is leading in Online Marketing, Auctions, Coupons, Books & Literature and 2 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including United States, Japan, Korea Republic, Spain and 38 other countries.
Blueshift is leading in India, Czech Republic, Bangladesh and Sweden.