In terms of market share, Vertster is clearly lagging behind, losing to Vizu in all segments.
Vizu has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 26 other categories.
Vertster is leading in Womens Interests.
Vizu is leading in most countries, including United States, Indonesia, India, Brazil and 15 other countries.
Vertster is leading in China.