Simply is leading in Top 100K Sites and Top 1M Sites.
Simply has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, People & Society, News & Media and 81 other categories.
Six Apart Advertising is leading in Government, Humor, Gay, Lesbian, & Bisexual, Reproductive Health and 8 other categories.
Simply is leading in most countries, including Italy, United Kingdom, Spain, India and 42 other countries.
Six Apart Advertising is leading in United States, Mauritius, Viet Nam and South Africa.