Market Share by Top Websites

1 Improve Digital is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

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

Websites Categories

1 Integral Ad Science has better usage coverage in more websites categories. Including News & Media, People & Society, Computer & Electronics, Internet & Telecom and 80 other categories.

2 Improve Digital is leading in Business & Industry, Shopping, Music & Audio, Career & Education and 52 other categories.


1 Integral Ad Science is leading in most countries, including United States, Canada, United Kingdom, France and 49 other countries.

2 Improve Digital is leading in Sweden, Netherlands, Spain, Poland and 21 other countries.