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 66 other categories.
Decibel Insight is leading in Internet & Telecom, Marketing & Advertising, Real Estate, Clothing and 38 other categories.
Decibel Insight is leading in most countries, including United Kingdom, Australia, Germany, Brazil and 37 other countries.
Yahoo Search Marketing Analytics is leading in United States, Japan, Taiwan, Korea Republic and 15 other countries.