Newzia is leading in Top 10K Sites and Top 100K Sites.
Undertone Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Business & Industry and 85 other categories.
Newzia hasn't got a lead over Undertone Networks in any websites category.
Undertone Networks is leading in most countries, including United States, United Kingdom, Brazil, Poland and 27 other countries.
Newzia is leading in Japan.