Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 50 other categories.
Optimatic is leading in Games, Internet & Telecom, Marketing & Advertising, Video Games and 19 other categories.
Optimatic is leading in most countries, including United States, Israel, India, Venezuela and 26 other countries.
Six Apart Advertising is leading in United Kingdom, Hong Kong, Italy, Malaysia and 4 other countries.