Market Share by Top Websites

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

Websites Categories

1 has better usage coverage in more websites categories. Including Health, Products & Shopping, Business & Industry, Arts & Entertainment and 29 other categories.

2 Open AdExchange is leading in Marketing & Advertising, Music & Audio, Real Estate, Law & Government and 14 other categories.


1 is leading in most countries, including United States, Japan, Brazil, Canada and 8 other countries.

2 Open AdExchange is leading in Denmark, Norway, Sweden and United Kingdom.