Market Share by Top Websites

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

2 Despite its recent growth, C3 Metrics is still behind AdReactor in all market share segments.

Websites Categories

1 AdReactor has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, Internet & Telecom, Business & Industry and 45 other categories.

2 C3 Metrics is leading in Travel, Accommodation & Hotels, Career & Education, Universities & Colleges and 34 other categories.


1 AdReactor is leading in most countries, including Indonesia, India, United States, Brazil and 62 other countries.

2 C3 Metrics is leading in Australia, Belarus, Kazakhstan, Austria and 3 other countries.