Market Share by Top Websites

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

2 Despite its recent growth, Ad Butler is still behind Integral Ad Science in all market share segments.

Websites Categories

1 Ad Butler has better usage coverage in more websites categories. Including Business & Industry, Sports, Music & Audio, Career & Education and 84 other categories.

2 Integral Ad Science is leading in News & Media, Arts & Entertainment, People & Society, Computer & Electronics and 70 other categories.


1 Integral Ad Science is leading in most countries, including Italy, France, Poland, Germany and 60 other countries.

2 Ad Butler is leading in Belarus, United States, United Kingdom, Canada and 36 other countries.