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, Internet & Telecom and 224 other categories.

2 Adzerk is leading in Furniture, Basketball, Ask an Expert, Horses and one other category.


1 Yahoo Ad Exchange is leading in most countries, including United States, Japan, Russia, India and 117 other countries.

2 Adzerk is leading in France, Poland, Belgium, Algeria and 36 other countries.