Market Share by Top Websites

1 CheckM8 is leading in The Entire Web.

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

Websites Categories

1 SpotX has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, Autos & Vehicles, Car Buying and 75 other categories.

2 CheckM8 is leading in Health, Marketing & Advertising, Career & Education, Financial Management and 23 other categories.


1 CheckM8 is leading in most countries, including United States, Japan, United Kingdom, China and 35 other countries.

2 SpotX is leading in Germany, Netherlands, Spain, Russia and 30 other countries.