DoubleVerify
5,168 websites

DoubleVerify offers both free and paid options

http://www.doubleverify.com

DoubleVerify provides online media verification and campaign effectiveness solutions for brand marketers, agencies, advertising networks, demand side platforms, exchanges and digital publishers looking to ensure quality advertising environm...

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Keen
15,876 websites

Keen offers both free and paid options

https://keen.io/

APIs for capturing, analyzing, and embedding event data in everything you build.

Market Share by Top Websites

1 Keen is leading in The Entire Web.

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

Websites Categories

1 Keen has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Food & Drink and 15 other categories.

2 DoubleVerify is leading in Arts & Entertainment, Games, Sports, News & Media and one other category.

Geography

1 Keen is leading in most countries, including United States, France, Japan, China and 122 other countries.

2 DoubleVerify is leading in Germany, Estonia, Russia, Bolivia and 6 other countries.