Market Share by Top Websites

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

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

Websites Categories

1 SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Autos & Vehicles, Car Buying and 66 other categories.

2 C3 Metrics is leading in Travel, Business & Industry, Accommodation & Hotels, Shopping and 27 other categories.


1 SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 40 other countries.

2 C3 Metrics is leading in Canada, France, Australia, China and 5 other countries.