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, AdSide 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, News & Media, Autos & Vehicles, Career & Education and 114 other categories.

2 AdSide is leading in People & Society, Computer & Electronics, Software, Adult and 19 other categories.


1 AdSide is leading in most countries, including Brazil, India, Germany, Belgium and 33 other countries.

2 Centro is leading in United States, Canada, United Kingdom, France and 30 other countries.