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 Arts & Entertainment, News & Media, Business & Industry, Internet & Telecom and 118 other categories.
PayClick is leading in People & Society, Sports, Food & Drink, Cooking & Recipes and 22 other categories.
Integral Ad Science is leading in most countries, including United States, France, Brazil, United Kingdom and 83 other countries.
PayClick is leading in Italy, Albania, Malta and Uzbekistan.