Market Share by Top Websites

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

2 In terms of market share, Harren Media is clearly lagging behind, losing to AdvertServe in all segments.

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Shopping and 122 other categories.

2 Harren Media is leading in TV & Video, Computer & Electronics, Software, Games and 14 other categories.


1 AdvertServe is leading in most countries, including Russia, United States, Turkey, Ukraine and 67 other countries.

2 Harren Media is leading in Colombia, Korea Republic, Argentina, Tanzania and 2 other countries.