1World Online is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Zimbio has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Music & Audio, Business & Industry and 43 other categories.
1World Online is leading in News & Media, Health, Finance, Clothing and 22 other categories.
Zimbio is leading in most countries, including United States, Germany, France, United Kingdom and 32 other countries.
1World Online is leading in India, Ukraine, Chile, Poland and 6 other countries.