Market Share by Top Websites

1 Vizu is leading in Top 100K Sites.

2 In terms of market share, Observer is clearly lagging behind, losing to Vizu in all segments.

Websites Categories

1 Vizu has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Technology News and 69 other categories.

2 Observer is leading in Marketing & Advertising, Programming, Transportation & Logistics, Running and 4 other categories.


1 Vizu is leading in most countries, including United States, India, Canada, Indonesia and 15 other countries.

2 Observer is leading in Russia, France, Ukraine, Turkey and 3 other countries.