Market Share by Top Websites

1 Centro is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, Undertone Networks is still behind Centro in all market share segments.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including Business & Industry, News & Media, Autos & Vehicles, Career & Education and 107 other categories.

2 Undertone Networks is leading in People & Society, Religion & Spirituality, Marketing & Advertising, Basketball and 20 other categories.


1 Undertone Networks is leading in most countries, including United Kingdom, India, Germany, Spain and 43 other countries.

2 Centro is leading in United States, Canada, France, Mexico and 23 other countries.