Market Share by Top Websites

1 C3 Metrics is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Adfusion is clearly lagging behind, losing to C3 Metrics in all segments.

Websites Categories

1 C3 Metrics has better usage coverage in more websites categories. Including Shopping, Travel, Accommodation & Hotels, Arts & Entertainment and 48 other categories.

2 Adfusion is leading in Business & Industry, Real Estate, People & Society, News & Media and 16 other categories.


1 Adfusion is leading in most countries, including Canada, Philippines, Indonesia, Singapore and 19 other countries.

2 C3 Metrics is leading in United States, Russia, Spain, India and 18 other countries.