Market Share by Top Websites

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

2 In terms of market share, WebTrends Ads is clearly lagging behind, losing to Centro in all segments.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Car Buying, Career & Education and 114 other categories.

2 WebTrends Ads is leading in Mental Health and Computer Hardware.


1 Centro is leading in most countries, including United States, Canada, United Kingdom, Mexico and 37 other countries.

2 WebTrends Ads is leading in Indonesia, Costa Rica, Morocco, Malta and 2 other countries.