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, Computer & Electronics and 53 other categories.
Decibel Insight is leading in Internet & Telecom, Marketing & Advertising, Travel, Finance and 42 other categories.
Decibel Insight is leading in most countries, including United Kingdom, United States, India, Germany and 37 other countries.
Yahoo Search Marketing Analytics is leading in Japan, Korea Republic, Spain, Taiwan and 17 other countries.