In terms of market share, Six Apart Advertising is clearly lagging behind, losing to Vertical Acuity in all segments.
Six Apart Advertising has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Humor and 55 other categories.
Vertical Acuity is leading in Video Games and Games.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Canada and 8 other countries.
Vertical Acuity is leading in Australia.