Bidtellect is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Humor and 37 other categories.
Bidtellect is leading in Business & Industry, Food & Drink, Adult, Travel and 28 other categories.
Bidtellect is leading in most countries, including United States, United Kingdom, Ukraine, Germany and 18 other countries.
Six Apart Advertising is leading in Canada, United Arab Emirates, Viet Nam, Barbados and 4 other countries.