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 52 other categories.
Optimatic is leading in Games, Internet & Telecom, Online, Video Games and 14 other categories.
Optimatic is leading in most countries, including United States, Algeria, Canada, Peru and 32 other countries.
Six Apart Advertising is leading in United Kingdom, China, Denmark, Bangladesh and 2 other countries.