Market Share by Top Websites

2 In terms of market share, Six Apart Advertising is clearly lagging behind, losing to StackAdapt in all segments.

Websites Categories

1 Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 55 other categories.

2 StackAdapt is leading in Health, Autos & Vehicles, Chats & Forums, Investing and 3 other categories.


1 Six Apart Advertising is leading in most countries, including United States, Italy, United Kingdom, Ireland and 7 other countries.

2 StackAdapt is leading in Canada, India, Egypt, Taiwan and 5 other countries.