Vizzit is leading in 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 76 other categories.
Vizzit is leading in Science, Social Sciences, Government, Law & Government and 5 other categories.
Yahoo Search Marketing Analytics is leading in most countries, including United States, Japan, Korea Republic, Spain and 36 other countries.
Vizzit is leading in Sweden, Egypt, Finland and Eritrea.