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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Topsy
278 websites

Topsy offers both free and paid options

http://www.topsy.com

Topsy provides social media analytics software that provides Instant Social Insight to companies and organizations of all sizes. The Topsy Pro platform has indexed 2.5B (and growing) pieces of data and information. This makes Topsy one ...

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, Topsy 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 20 other categories.

2 Topsy hasn't got a lead over DoubleVerify in any websites category.

Geography

1 DoubleVerify is leading in most countries, including United States, Germany, United Kingdom, Canada and 91 other countries.

2 Topsy is leading in Japan, Armenia and Nigeria.