Market Share by Top Websites

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

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

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Arts & Entertainment, Computers Electronics & Technology, Health, Business & Consumer Services and 11 other categories.

2 Viafoura is leading in News & Media, Sports, Food & Drink, Hobbies & Leisure and 3 other categories.


1 Viafoura is leading in most countries, including United States, Italy, United Kingdom, Canada and 46 other countries.

2 AdvertServe is leading in Germany, Russia, Ukraine, Turkey and 26 other countries.