Decibel Insight is leading in Top 10K Sites, 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 57 other categories.
Decibel Insight is leading in Internet & Telecom, Travel, Marketing & Advertising, Autos & Vehicles and 41 other categories.
Decibel Insight is leading in most countries, including United Kingdom, United States, France, Germany and 38 other countries.
Yahoo Search Marketing Analytics is leading in Japan, Taiwan, Korea Republic, India and 12 other countries.