Market Share by Top Websites

2 CONTEXTin is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 CONTEXTin has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, Health and 27 other categories.

2 Open AdExchange is leading in Business & Industry, Marketing & Advertising, Internet & Telecom, Travel and 19 other categories.


1 CONTEXTin is leading in most countries, including United States, France, Italy, Spain and 11 other countries.

2 Open AdExchange is leading in Denmark, Sweden, Peru and Guatemala.