Market Share by Top Websites

2 is leading in Top 1M Sites.

Websites Categories

1 has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, People & Society and 63 other categories.

2 Open AdExchange is leading in News & Media, Real Estate, File Sharing, Computer Hardware and 6 other categories.


1 is leading in most countries, including United States, Japan, Canada, China and 11 other countries.

2 Open AdExchange is leading in Denmark, United Arab Emirates, Sweden, Romania and one other country.