Kitara Media is leading in Top 100K Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Humor and 37 other categories.
Kitara Media is leading in Food & Drink, Restaurants & Delivery, Business & Industry, Travel and 25 other categories.
Kitara Media is leading in most countries, including United States, Canada, Philippines, Brazil and 23 other countries.
Six Apart Advertising is leading in United Kingdom, China, Indonesia, Viet Nam and one other country.