Market Share by Top Websites

1 Integral Ad Science is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Ad Butler is clearly lagging behind, losing to Integral Ad Science in all segments.

Websites Categories

1 Ad Butler has better usage coverage in more websites categories. Including Business & Industry, Sports, Food & Drink, People & Society and 73 other categories.

2 Integral Ad Science is leading in News & Media, Arts & Entertainment, Internet & Telecom, Autos & Vehicles and 64 other categories.


1 Integral Ad Science is leading in most countries, including United States, Italy, Germany, France and 46 other countries.

2 Ad Butler is leading in United Kingdom, Canada, China, Mexico and 38 other countries.