Systems Overview

There are many systems that power digital advertising on the internet - below you will find a ranking of these platforms, determined by the number sites that use ad system, and the frequency by which the site is communicating with a given ad system.

Some of the communication is benign, but the scope and volume of communication serve as an excellent proxy for the level of insight a platform potentially has regarding the users of given site.

Systems Ranking
1
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Google is a multinational corporation that specializes in Internet-related services and products.
52 unique domains 5,632,961 detected 91,366 sites 116.21% coverage 117,324 sellers.json

2
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Facebook is an online social networking service that enables its users to connect with friends and family.
11 unique domains 565,673 detected 7,068 sites 8.99% coverage 0 sellers.json

3
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Amazon is an international e-commerce website for consumers, sellers, and content creators.
24 unique domains 379,722 detected 2,342 sites 2.98% coverage 912 sellers.json

4
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Quantcast helps create a more personalized digital world.
11 unique domains 331,888 detected 1,535 sites 1.95% coverage 0 sellers.json

5
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Rubicon Project is an advertising automation platform enabling premium publishers to transact advertising brands.
16 unique domains 256,169 detected 75,966 sites 96.62% coverage 3,351 sellers.json

6
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AppNexus operates a cloud-based software platform that enables and optimizes programmatic online advertising.
12 unique domains 238,171 detected 83,543 sites 106.26% coverage 2,099 sellers.json

7
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Index Exchange is an exchange technology, enabling digital publishers and suppliers to sell ad impressions programmatically and in realtime.
13 unique domains 235,544 detected 80,925 sites 102.93% coverage 2,713 sellers.json

8
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Twitter is a social networking platform that allows its users to send and read micro-blogs of up to 280-characters known as tweets.
8 unique domains 228,609 detected sites 0.00% coverage sellers.json

9
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PubMatic is an automation solutions company for an open digital media industry.
20 unique domains 221,284 detected 74,441 sites 94.68% coverage 2,926 sellers.json

10
Mediavine is the largest exclusive ad management company in the U.S., and a Comscore top five lifestyle property.
8 unique domains 193,198 detected 3,694 sites 4.70% coverage 7,779 sellers.json

11
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WordPress offers a web publishing software that can be used to create websites or blogs.
9 unique domains 185,702 detected sites 0.00% coverage sellers.json

12
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comScore is a cross-platform measurement company that measures audiences, brands, and consumer behavior.
1 unique domains 174,132 detected sites 0.00% coverage sellers.json

13
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Criteo is a global technology company that serves personalized online display advertisements to consumers on behalf of e-commerce companies.
15 unique domains 173,254 detected 23,749 sites 30.21% coverage 0 sellers.json

14
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LiveRamp is the leading data connectivity platform for the safe and effective use of data.
5 unique domains 159,995 detected sites 0.00% coverage sellers.json

15
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Adobe provides digital media and digital marketing solutions.
64 unique domains 157,393 detected sites 0.00% coverage sellers.json

16
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Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
7 unique domains 154,564 detected sites 0.00% coverage sellers.json

17
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The Trade Desk is an online demand-side platform that provides buying tools for digital media buyers.
8 unique domains 133,903 detected 733 sites 0.93% coverage 0 sellers.json

18
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Yahoo operates an online web portal intended to provide the latest news on cricket, finance, lifestyle, movies, celebrity, travel, and more.
18 unique domains 123,155 detected 43,753 sites 55.65% coverage 1,560 sellers.json

19
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Taboola is a content discovery platform that connects people with content they may like but never knew existed.
27 unique domains 115,848 detected 21,963 sites 27.94% coverage 33,827 sellers.json

20
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OpenX provides digital and advertising technologies that optimize a company's advertising revenue.
35 unique domains 103,091 detected 80,872 sites 102.86% coverage 6,450 sellers.json

21
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Moat is a SaaS-based search engine for display ads, enabling users to find and discover their favorite brands.
17 unique domains 99,090 detected sites 0.00% coverage sellers.json

22
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Krux helps marketers, publishers and agencies drive revenue by delivering smarter content, commerce and marketing experiences.
6 unique domains 95,379 detected sites 0.00% coverage sellers.json

23
Pinterest is a visual bookmarking tool for saving and discovering creative ideas.
9 unique domains 90,989 detected sites 0.00% coverage sellers.json

24
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17 unique domains 87,890 detected 64,735 sites 82.34% coverage 831 sellers.json

25
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LinkedIn is a professional networking site that allows its members to create business connections, search jobs, and find potential clients.
4 unique domains 87,327 detected sites 0.00% coverage sellers.json

26
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Skimlinks is the leading commerce content monetization platform, supporting publishers’ creation of a new revenue stream.
5 unique domains 83,764 detected sites 0.00% coverage sellers.json

27
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TripleLift is the programmatic technology company for native, branded content and OTT.
6 unique domains 83,693 detected 36,087 sites 45.90% coverage 3,752 sellers.json

28
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11 unique domains 81,530 detected 38,653 sites 49.16% coverage 0 sellers.json

29
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Lotame offers data management technologies designed to provide unstacked data solutions.
5 unique domains 78,698 detected sites 0.00% coverage sellers.json

30
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7 unique domains 71,742 detected sites 0.00% coverage 0 sellers.json

31
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Chartbeat tools measure and monetize website visitors' attention and engagement on page content and advertising.
5 unique domains 70,893 detected sites 0.00% coverage sellers.json

32
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GumGum is a global technology and media company specializing in contextual intelligence.
8 unique domains 67,161 detected 51,474 sites 65.47% coverage 983 sellers.json

33
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IAS is a global technology and data company that empowers the advertising industry to effectively influence consumers everywhere.
5 unique domains 64,769 detected sites 0.00% coverage sellers.json

34
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Outbrain is a content discovery platform providing publishers a service for recommended links to increase traffic and generate revenue.
10 unique domains 63,996 detected 27,093 sites 34.46% coverage 3,230 sellers.json

35
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OneSignal is an easy for developers to add personalized mobile push notifications or web push notifications to their apps.
4 unique domains 62,645 detected sites 0.00% coverage sellers.json

36
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Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.
7 unique domains 62,219 detected sites 0.00% coverage sellers.json

37
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New Relic is a digital intelligence company that delivers full-stack visibility and analytics to enterprises.
2 unique domains 58,908 detected sites 0.00% coverage sellers.json

38
AdThrive is a lifestyle digital publishing and ad monetization network covering food, home, parenting, and DIY.
6 unique domains 56,974 detected sites 0.00% coverage sellers.json

39
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Hotjar is a privately owned and funded company that develops intuitive and disruptive research and optimization tools for web businesses.
9 unique domains 56,898 detected sites 0.00% coverage sellers.json

40
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Sovrn offers products and services to online publishers that help them understand, operate and grow their businesses.
1 unique domains 56,826 detected 62,398 sites 79.37% coverage 0 sellers.json

41
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Global marketing research and business services company.
8 unique domains 54,653 detected sites 0.00% coverage sellers.json

42
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Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.
15 unique domains 53,067 detected sites 0.00% coverage sellers.json

43
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MediaMath develops and delivers digital advertising media and data management technology solutions to advertisers worldwide.
6 unique domains 50,101 detected 1,320 sites 1.68% coverage 0 sellers.json

44
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33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.
10 unique domains 49,747 detected 50,267 sites 63.94% coverage 1,713 sellers.json

45
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Neustar offers a range of cloud-based services enabling marketing and IT professionals to promote and protect their businesses.
6 unique domains 48,994 detected sites 0.00% coverage sellers.json

46
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Teads invented outstream video advertising and is the no.1 video advertising marketplace in the world.
7 unique domains 45,102 detected 37,246 sites 47.37% coverage 3,136 sellers.json

47
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Conversant is a leader in personalized digital marketing.
43 unique domains 45,090 detected 37,219 sites 47.34% coverage 751 sellers.json

48
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Piano Software provides a business platform for digital media.
10 unique domains 42,831 detected sites 0.00% coverage sellers.json

49
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BlueKai is a data management platform that provides third-party data for use in a company's intelligent marketing activities.
3 unique domains 41,971 detected sites 0.00% coverage sellers.json

50
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AddThis provides social engagement tools, APIs and services personalizing websites for engagement, monetization and traffic boosting.
13 unique domains 41,670 detected sites 0.00% coverage sellers.json