Market Share by Top Websites

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

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

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Weddings and 84 other categories.

2 Integral Ad Science is leading in News & Media, Arts & Entertainment, Computer & Electronics, Software and 67 other categories.


1 Integral Ad Science is leading in most countries, including United States, United Kingdom, France, Canada and 51 other countries.

2 AdvertServe is leading in Russia, Turkey, Ukraine, Italy and 31 other countries.