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 70 other categories.
Decibel Insight is leading in Internet & Telecom, Marketing & Advertising, Real Estate, Accommodation & Hotels and 36 other categories.
Decibel Insight is leading in most countries, including United Kingdom, Australia, France, Germany and 38 other countries.
Yahoo Search Marketing Analytics is leading in United States, Japan, Taiwan, Korea Republic and 12 other countries.