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, Internet & Telecom, Arts & Entertainment and 67 other categories.
Decibel Insight is leading in Travel, Autos & Vehicles, Marketing & Advertising, Software and 37 other categories.
Decibel Insight is leading in most countries, including Great Britain, United States, Czech Republic, Germany and 46 other countries.
Yahoo Search Marketing Analytics is leading in Japan, South Korea, Taiwan, Spain and 12 other countries.