Market Share by Top Websites

1 StackAdapt is leading in Top 100K Sites and Top 1M Sites.

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, Humor and 49 other categories.

2 StackAdapt is leading in Health, Autos & Vehicles, Cycling & Biking, Consumer Electronics and 5 other categories.


1 Six Apart Advertising is leading in most countries, including United States, United Kingdom, Ukraine, Turkey and 10 other countries.

2 StackAdapt is leading in Canada, Egypt, Australia, Netherlands and 4 other countries.