Market Share by Top Websites

1 Carbon Ads is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, Undertone Networks is still behind Carbon Ads in all market share segments.

Websites Categories

1 Undertone Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Sports, Shopping and 60 other categories.

2 Carbon Ads is leading in Computer & Electronics, Internet & Telecom, Business & Industry, Arts & Entertainment and 29 other categories.


1 Carbon Ads is leading in most countries, including United States, Japan, China, India and 38 other countries.

2 Undertone Networks is leading in Germany, France, Australia, Peru and 7 other countries.