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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Signal
10,770 websites

Signal offers both free and paid options

http://www.signal.co/

Signal, Formerly BrightTag, is the leader in cross channel marketing technology, allowing you to own your marketing data in real time.

Market Share by Top Websites

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

2 DoubleVerify is leading in Top 10K Sites.

Websites Categories

1 Signal has better usage coverage in more websites categories. Including Vehicles, Lifestyle, Business & Consumer Services, Science & Education and 14 other categories.

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

Geography

1 Signal is leading in most countries, including United States, Japan, Canada, United Kingdom and 82 other countries.

2 DoubleVerify is leading in Germany, Estonia, Indonesia, Malaysia and 22 other countries.