Bidtellect is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Bidtellect has better usage coverage in more websites categories. Including News & Media, People & Society, Arts & Entertainment, Technology News and 50 other categories.
Open AdExchange is leading in Marketing & Advertising, Real Estate, Law & Government, Newspapers and 11 other categories.
Bidtellect is leading in most countries, including United States, United Kingdom, Canada, France and 24 other countries.
Open AdExchange is leading in Denmark and Guatemala.