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, Humor, Computer & Electronics and 37 other categories.
Bidtellect is leading in News & Media, Business & Industry, Career & Education, Software and 31 other categories.
Bidtellect is leading in most countries, including United States, Turkey, Canada, Japan and 13 other countries.
Six Apart Advertising is leading in United Kingdom, Thailand, Brazil, Russia and 5 other countries.