In terms of market share, AdTotal is clearly lagging behind, losing to Six Apart Advertising in all segments.
Six Apart Advertising has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Humor and 52 other categories.
AdTotal is leading in Sports, Soccer, Adult, Chats & Forums and 9 other categories.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Canada and 7 other countries.
AdTotal is leading in Poland and Belarus.