OxaMedia is leading in Top 100K Sites.
OxaMedia has better usage coverage in more websites categories. Including People & Society, Business & Industry, Movies, Marketing & Advertising and 4 other categories.
Simple AdServer is leading in Computer & Electronics, Sports, Shopping, Web Hosting and 4 other categories.
OxaMedia is leading in most countries, including Greece, Russia and United States.
Simple AdServer is leading in Hungary.