Market Share by Top Websites

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

2 In terms of market share, Adzerk is clearly lagging behind, losing to Yahoo Ad Exchange in all segments.

Websites Categories

1 Yahoo Ad Exchange has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Music & Audio and 224 other categories.

2 Adzerk is leading in Furniture, Basketball, Running, Guides & Reviews and one other category.


1 Yahoo Ad Exchange is leading in most countries, including United States, Japan, Germany, Russia and 108 other countries.

2 Adzerk is leading in France, Poland, Belgium, Switzerland and 29 other countries.