Market Share by Top Websites

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

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

Websites Categories

1 Integral Ad Science has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, Business & Industry, People & Society and 112 other categories.

2 SpotX is leading in Autos & Vehicles, Car Buying, Soccer, Automotive Industry and 18 other categories.


1 Integral Ad Science is leading in most countries, including United States, Germany, United Kingdom, Spain and 70 other countries.

2 SpotX is leading in Netherlands, Russia, Thailand, Malaysia and 7 other countries.