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, Health, Arts & Entertainment and 67 other categories.
Decibel Insight is leading in Internet & Telecom, Marketing & Advertising, Real Estate, Clothing and 36 other categories.
Decibel Insight is leading in most countries, including United Kingdom, India, Brazil, Australia and 35 other countries.
Yahoo Search Marketing Analytics is leading in United States, Japan, Taiwan, Korea Republic and 14 other countries.