Market Share by Top Websites

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

2 Quigo AdSonar is leading in Top 10K Sites.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Car Buying, Career & Education and 92 other categories.

2 Quigo AdSonar is leading in Investing, Reference, Maps, Movies and 26 other categories.


1 Quigo AdSonar is leading in most countries, including Brazil, Russia, China, Japan and 36 other countries.

2 Centro is leading in United States, Canada, United Kingdom, Mexico and 20 other countries.