Six Apart Advertising is leading in Top 10K Sites and Top 100K Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 56 other categories.
Spark Studios is leading in Games, Video Games, Gambling, Lottery and 3 other categories.
Six Apart Advertising is leading in most countries, including United States, Germany, India, Japan and 13 other countries.
Spark Studios is leading in Mexico.