Integral Ad Science is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Integral Ad Science has better usage coverage in more websites categories. Including News & Media, Computer & Electronics, Technology News, Software and 71 other categories.
PayClick is leading in People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 53 other categories.
Integral Ad Science is leading in most countries, including United States, United Kingdom, France, Canada and 59 other countries.
PayClick is leading in Italy, Switzerland, Albania, Nicaragua and 4 other countries.