Adrolays is leading in Top 100K Sites and Top 1M Sites.
Adrolays has better usage coverage in more websites categories. Including Shopping, Clothing, Arts & Entertainment, Consumer Electronics and 32 other categories.
Nextag ROI Optimizer is leading in Sports, Industrial Goods & Services, Weddings, Furniture and 9 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, Japan, Australia, Argentina and one other country.
Adrolays is leading in Germany, Austria, Russia and Switzerland.