Market Share by Top Websites

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

2 Despite its recent growth, C3 Metrics 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 112 other categories.

2 C3 Metrics is leading in Accommodation & Hotels, Healthcare Industry, Photography, Celebrities & Entertainment News and 20 other categories.


1 Centro is leading in most countries, including United States, Canada, United Kingdom, France and 29 other countries.

2 C3 Metrics is leading in Russia, Norway, Spain, Japan and 10 other countries.