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.
54 unique domains 10,100,325 detected 92,450 sites 117.08% coverage 135,405 sellers.json

2
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Facebook is an online social networking service that enables its users to connect with friends and family.
12 unique domains 917,917 detected 7,522 sites 9.53% coverage 0 sellers.json

3
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Amazon is an international e-commerce website for consumers, sellers, and content creators.
27 unique domains 609,049 detected 2,342 sites 2.97% coverage 1,141 sellers.json

4
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Mediavine is the largest exclusive ad management company in the U.S., and a Comscore top five lifestyle property.
11 unique domains 566,594 detected 3,694 sites 4.68% coverage 7,779 sellers.json

5
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Quantcast helps create a more personalized digital world.
11 unique domains 508,806 detected 1,535 sites 1.94% coverage 0 sellers.json

6
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WordPress offers a web publishing software that can be used to create websites or blogs.
9 unique domains 386,401 detected sites 0.00% coverage sellers.json

7
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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 331,610 detected sites 0.00% coverage sellers.json

8
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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 296,444 detected sites 0.00% coverage sellers.json

9
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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 293,974 detected 82,625 sites 104.63% coverage 2,946 sellers.json

10
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AppNexus operates a cloud-based software platform that enables and optimizes programmatic online advertising.
12 unique domains 281,915 detected 85,105 sites 107.77% coverage 2,151 sellers.json

11
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comScore is a cross-platform measurement company that measures audiences, brands, and consumer behavior.
7 unique domains 278,806 detected sites 0.00% coverage sellers.json

12
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Rubicon Project is an advertising automation platform enabling premium publishers to transact advertising brands.
16 unique domains 274,503 detected 77,455 sites 98.09% coverage 3,404 sellers.json

13
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PubMatic is an automation solutions company for an open digital media industry.
20 unique domains 245,158 detected 76,121 sites 96.40% coverage 3,121 sellers.json

14
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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 222,342 detected 26,506 sites 33.57% coverage 0 sellers.json

15
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LiveRamp is the leading data connectivity platform for the safe and effective use of data.
15 unique domains 222,052 detected sites 0.00% coverage sellers.json

16
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Adobe provides digital media and digital marketing solutions.
64 unique domains 208,000 detected sites 0.00% coverage sellers.json

17
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Pinterest is a visual bookmarking tool for saving and discovering creative ideas.
9 unique domains 168,960 detected sites 0.00% coverage sellers.json

18
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The Trade Desk is an online demand-side platform that provides buying tools for digital media buyers.
8 unique domains 155,788 detected 733 sites 0.93% coverage 0 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 152,622 detected 22,486 sites 28.48% coverage 36,027 sellers.json

20
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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.
19 unique domains 141,043 detected 47,176 sites 59.74% coverage 1,731 sellers.json

21
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Skimlinks is the leading commerce content monetization platform, supporting publishers’ creation of a new revenue stream.
5 unique domains 138,296 detected sites 0.00% coverage sellers.json

22
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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 135,837 detected sites 0.00% coverage sellers.json

23
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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 127,287 detected sites 0.00% coverage sellers.json

24
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New Relic is a digital intelligence company that delivers full-stack visibility and analytics to enterprises.
4 unique domains 109,236 detected sites 0.00% coverage sellers.json

25
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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 108,473 detected sites 0.00% coverage sellers.json

26
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OpenX provides digital and advertising technologies that optimize a company's advertising revenue.
35 unique domains 107,115 detected 82,290 sites 104.21% coverage 6,611 sellers.json

27
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17 unique domains 104,696 detected 66,258 sites 83.91% coverage 841 sellers.json

28
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AdThrive is a lifestyle digital publishing and ad monetization network covering food, home, parenting, and DIY.
6 unique domains 102,835 detected sites 0.00% coverage sellers.json

29
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Lotame is the leading provider of data enrichment solutions for global enterprises.
5 unique domains 102,277 detected sites 0.00% coverage sellers.json

30
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Krux helps marketers, publishers and agencies drive revenue by delivering smarter content, commerce and marketing experiences.
6 unique domains 102,054 detected sites 0.00% coverage sellers.json

31
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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 96,774 detected sites 0.00% coverage sellers.json

32
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Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.
7 unique domains 96,641 detected sites 0.00% coverage sellers.json

33
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Outbrain is a content discovery platform providing publishers a service for recommended links to increase traffic and generate revenue.
18 unique domains 93,749 detected 28,322 sites 35.87% coverage 3,230 sellers.json

34
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TripleLift is the programmatic technology company for native, branded content and OTT.
6 unique domains 91,780 detected 37,696 sites 47.74% coverage 4,411 sellers.json

35
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Chartbeat tools measure and monetize website visitors' attention and engagement on page content and advertising.
5 unique domains 88,682 detected sites 0.00% coverage sellers.json

36
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11 unique domains 84,906 detected 40,092 sites 50.77% coverage 0 sellers.json

37
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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 83,153 detected sites 0.00% coverage sellers.json

38
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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 82,372 detected sites 0.00% coverage sellers.json

39
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14 unique domains 81,392 detected sites 0.00% coverage sellers.json

40
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AddThis provides social engagement tools, APIs and services personalizing websites for engagement, monetization and traffic boosting.
13 unique domains 77,881 detected sites 0.00% coverage sellers.json

41
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GumGum is a global technology and media company specializing in contextual intelligence.
8 unique domains 76,726 detected 53,181 sites 67.35% coverage 1,012 sellers.json

42
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7 unique domains 73,826 detected sites 0.00% coverage 0 sellers.json

43
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1 unique domains 70,553 detected sites 0.00% coverage sellers.json

44
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OneTrust helps companies manage privacy, security and governance requirements in a regulatory environment that constantly changes.
1 unique domains 66,998 detected sites 0.00% coverage sellers.json

45
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Sovrn offers products and services to online publishers that help them understand, operate and grow their businesses.
1 unique domains 65,819 detected 64,483 sites 81.66% coverage 0 sellers.json

46
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Global marketing research and business services company.
8 unique domains 59,136 detected sites 0.00% coverage sellers.json

47
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Piano Software provides a business platform for digital media.
10 unique domains 53,965 detected sites 0.00% coverage sellers.json

48
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Teads invented outstream video advertising and is the no.1 video advertising marketplace in the world.
7 unique domains 53,420 detected 39,675 sites 50.24% coverage 3,187 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.
6 unique domains 52,976 detected sites 0.00% coverage sellers.json

50
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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 52,531 detected sites 0.00% coverage sellers.json

51
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MediaMath develops and delivers digital advertising media and data management technology solutions to advertisers worldwide.
6 unique domains 52,083 detected 1,320 sites 1.67% coverage 0 sellers.json

52
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33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.
10 unique domains 51,655 detected 52,066 sites 65.93% coverage 1,718 sellers.json

53
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Akamai® is the provider of cloud services for helping enterprises provide secure, high-performing user experiences on any device.
3 unique domains 49,776 detected sites 0.00% coverage sellers.json

54
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Making display advertising simple, relevant, rewarding for advertisers, agencies and publishers
10 unique domains 48,250 detected 38,276 sites 48.47% coverage 329 sellers.json

55
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Conversant is a leader in personalized digital marketing.
43 unique domains 47,394 detected 39,575 sites 50.12% coverage 765 sellers.json

56
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Nativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads.
2 unique domains 45,991 detected 13,234 sites 16.76% coverage 630 sellers.json

57
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Sirdata is a self-service, third party data-collecting platform .
2 unique domains 44,166 detected sites 0.00% coverage sellers.json

58
Drawbridge uses large-scale AI and machine learning technology to build Identity solutions that connect, unify, & enhance customer data.
1 unique domains 43,027 detected 1 sites 0.00% coverage 0 sellers.json

59
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Kontera provides content marketing, social marketing, and actionable analytics to enable brands to optimize results.
5 unique domains 42,697 detected sites 0.00% coverage sellers.json

60
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RhythmOne is a technology-enabled digital media company that connects online audiences with brands through premium content across devices.
1 unique domains 38,530 detected 67,659 sites 85.68% coverage 2,809 sellers.json

61
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Liveintent is a people-based marketing technology platform that generates a customer graph while driving sales and revenue.
6 unique domains 37,641 detected 4,593 sites 5.82% coverage 9,439 sellers.json

62
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Media.net is a premium contextual advertising company.
18 unique domains 36,804 detected 33,829 sites 42.84% coverage 2,421 sellers.json

63
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Rebuilding data in advertising to protect privacy
12 unique domains 36,530 detected sites 0.00% coverage sellers.json

64
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Merkle is a customer relationship management agency that designs, executes and evaluates integrated marketing programs.
1 unique domains 36,029 detected sites 0.00% coverage sellers.json

65
3 unique domains 35,847 detected 26,013 sites 32.94% coverage 43,787 sellers.json

66
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HubSpot develops cloud-based, inbound marketing software that allows businesses to transform the way that they market online.
6 unique domains 35,842 detected sites 0.00% coverage sellers.json

67
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Technology Powered by Deep Learning
5 unique domains 35,082 detected 4,360 sites 5.52% coverage 0 sellers.json

68
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EMX Digital is a digital advertising marketplace.
6 unique domains 34,857 detected sites 0.00% coverage sellers.json

69
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Sharethrough is a software company that powers in-feed, native ads for premium publishers & brand marketers.
11 unique domains 33,731 detected 31,624 sites 40.05% coverage 1,060 sellers.json

70
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Contextweb offers real-time solutions to deliver advertisements using categories and keywords.
4 unique domains 32,969 detected 59,720 sites 75.63% coverage 249 sellers.json

71
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Yandex is a multinational technology company that provides internet-related services and operates a search engine platform in Russia.
1 unique domains 32,425 detected 6 sites 0.01% coverage 0 sellers.json

72
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BounceX enables the world's top brands to better recognize their customers online, providing 1-to-1 marketing at scale.
8 unique domains 32,190 detected sites 0.00% coverage sellers.json

73
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2 unique domains 31,755 detected sites 0.00% coverage sellers.json

74
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Publishers can programmatically sell guaranteed audiences against their advertisers data with premium inventory
7 unique domains 31,095 detected 38,514 sites 48.77% coverage 460 sellers.json

75
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Didomi is a consent and preference management platform for collecting and leveraging user consents and preferences for businesses.
1 unique domains 30,746 detected sites 0.00% coverage sellers.json

76
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Centro's technology platform, Basis, is an advertising solution unifying programmatic buying, workflow automation and business intelligence.
1 unique domains 29,959 detected sites 0.00% coverage sellers.json

77
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3 unique domains 29,941 detected sites 0.00% coverage sellers.json

78
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Simpli.fi is a demand side platform transforming unstructured data elements to valuable factors that aid in decision making.
3 unique domains 29,780 detected sites 0.00% coverage sellers.json

79
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Optimizely helps businesses test out different ways to make their websites or apps more effective.
4 unique domains 29,003 detected sites 0.00% coverage sellers.json

80
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Sortable's ad technology works intelligently behind the scenes to optimize ad impressions so clients can focus on creating great content.
1 unique domains 28,366 detected 1,302 sites 1.65% coverage 243 sellers.json

81
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Tapad is a global marketing technology company connecting brands to consumers across devices.
1 unique domains 27,387 detected sites 0.00% coverage sellers.json

82
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Shopify is a cloud-based, multi-channel commerce platform designed for small and medium-sized businesses.
7 unique domains 26,967 detected sites 0.00% coverage sellers.json

83
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Beeswax offers Bidder-as-a-Service solution that is scalable, customizable, cloud-based programmatic bidding platform.
1 unique domains 26,301 detected sites 0.00% coverage sellers.json

84
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Custom-built to give Publishers & Ad Platforms the tools they need to find bad ads, along with the data and processes to remove them.
1 unique domains 26,036 detected sites 0.00% coverage sellers.json

85
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Tealium is a provider of customer data orchestration tools aimed to address challenges in online search, marketing, and segment targeting.
1 unique domains 25,537 detected sites 0.00% coverage sellers.json

86
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Crazy Egg allows website owners to create tests to figure out what users are doing on their site.
1 unique domains 24,883 detected sites 0.00% coverage sellers.json

87
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StackAdapt is the #1 performing native advertising platform helping brands accelerate customer engagement and acquisition.
7 unique domains 24,871 detected sites 0.00% coverage sellers.json

88
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Sailthru helps modern marketers acquire, grow, and retain customers.
5 unique domains 24,556 detected sites 0.00% coverage sellers.json

89
...
6 unique domains 23,919 detected sites 0.00% coverage sellers.json

90
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Scroll is creating a sustainable experience that puts amazing content in front of engaged users without all the noise.
2 unique domains 23,277 detected sites 0.00% coverage sellers.json

91
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Parse.ly is an engagement analytics platform aimed at online publishers.
15 unique domains 23,173 detected sites 0.00% coverage sellers.json

92
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Yieldmo is one of the fastest-growing digital advertising and attention analytics companies.
1 unique domains 21,817 detected 24,326 sites 30.81% coverage 679 sellers.json

93
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Snap Inc. is a camera company. Reinventing the camera represents the greatest opportunity to improve the way people live and communicate.
4 unique domains 21,437 detected sites 0.00% coverage sellers.json

94
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Segment provides customer data infrastructure that helps businesses put their customers first.
10 unique domains 21,096 detected sites 0.00% coverage sellers.json

95
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Undertone develops high impact, cross-screen digital advertising experiences for brands.
7 unique domains 19,948 detected 26,487 sites 33.54% coverage 330 sellers.json

96
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Zemanta develops enterprise software for native advertising. Brands use the Zemanta One platform to execute their global native ad spend.
1 unique domains 19,719 detected 75 sites 0.09% coverage 0 sellers.json

97
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Adroll deals with digital marketing, digital advertising, e-commerce, email, retargeting, advanced tracking and product recommendations.
4 unique domains 19,057 detected 1 sites 0.00% coverage 0 sellers.json

98
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Zeta offers technology and marketing services to help brands acquire, engage, and retain customers.
8 unique domains 18,885 detected sites 0.00% coverage sellers.json

99
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Dataxu is a software company that helps marketing professionals use data to improve their advertising.
6 unique domains 18,037 detected sites 0.00% coverage sellers.json

100
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BlueConic's customer data platform liberates first-party data so companies can transform customer relationships and drive business growth.
8 unique domains 17,501 detected sites 0.00% coverage sellers.json