Act-On
3,914 websites

Act-On costs money

http://www.act-on.com/

Act-On's fresh approach to marketing automation gives you full functionality without the complexity other systems impose on you. Our streamlined user interface puts first-rate marketing tools at your fingertips, making campaigns and program...

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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...

Market Share by Top Websites

1 DoubleVerify is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Act-On is clearly lagging behind, losing to DoubleVerify in all segments.

Websites Categories

1 DoubleVerify has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Sports, News & Media and 9 other categories.

2 Act-On is leading in Computers Electronics & Technology, Business & Consumer Services, Finance, Science & Education and 7 other categories.

Geography

1 Act-On is leading in most countries, including United States, Canada, India, United Kingdom and 54 other countries.

2 DoubleVerify is leading in Germany, Estonia, Indonesia, Malaysia and 43 other countries.