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, Computer & Electronics, Shopping and 45 other categories.
Bidtellect is leading in News & Media, Business & Industry, Internet & Telecom, Career & Education and 37 other categories.
Bidtellect is leading in most countries, including United States, United Kingdom, Australia, Italy and 30 other countries.
Six Apart Advertising is leading in India, Zambia, Uruguay, Saudi Arabia and one other country.