In terms of market share, Six Apart Advertising is clearly lagging behind, losing to Spark Studios in all segments.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Humor and 54 other categories.
Spark Studios is leading in Gambling, Lottery, Games, Video Games and 6 other categories.
Six Apart Advertising is leading in most countries, including United States, Canada, United Kingdom, Ukraine and 11 other countries.
Spark Studios is leading in France and Argentina.