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
Google is a multinational corporation that specializes in Internet-related services and products.
44 unique domains 4,228,945 detected 75,571 sites 116.33% coverage 0 sellers.json

2
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Facebook
Facebook is an online social networking service that enables its users to connect with friends and family.
9 unique domains 429,128 detected 4,901 sites 7.54% coverage 0 sellers.json

3
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Amazon
Amazon is an international e-commerce website for consumers, sellers, and content creators.
23 unique domains 303,767 detected 2,342 sites 3.61% coverage 593 sellers.json

4
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Quantcast
Quantcast helps create a more personalized digital world.
11 unique domains 273,206 detected 1,535 sites 2.36% coverage 0 sellers.json

5
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Rubicon Project
Rubicon Project is an advertising automation platform enabling premium publishers to transact advertising brands.
16 unique domains 247,705 detected 60,590 sites 93.27% coverage 3,299 sellers.json

6
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AppNexus
AppNexus operates a cloud-based software platform that enables and optimizes programmatic online advertising.
12 unique domains 219,728 detected 65,024 sites 100.10% coverage 2,076 sellers.json

7
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Index Exchange
Index Exchange is an exchange technology, enabling digital publishers and suppliers to sell ad impressions programmatically and in realtime.
13 unique domains 214,966 detected 60,292 sites 92.81% coverage 2,652 sellers.json

8
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PubMatic
PubMatic is an automation solutions company for an open digital media industry.
20 unique domains 211,272 detected 59,089 sites 90.96% coverage 2,836 sellers.json

9
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Twitter
Twitter is a social networking platform that allows its users to send and read micro-blogs of up to 280-characters known as tweets.
6 unique domains 173,518 detected sites 0.00% coverage sellers.json

10
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Criteo
Criteo is a global technology company that serves personalized online display advertisements to consumers on behalf of e-commerce companies.
15 unique domains 152,773 detected 19,112 sites 29.42% coverage 0 sellers.json

11
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ComScore
comScore is a cross-platform measurement company that measures audiences, brands, and consumer behavior.
1 unique domains 146,648 detected sites 0.00% coverage sellers.json

12
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LiveRamp
LiveRamp is the leading data connectivity platform for the safe and effective use of data.
4 unique domains 141,765 detected sites 0.00% coverage sellers.json

13
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Adobe Ad Cloud
Adobe provides digital media and digital marketing solutions.
64 unique domains 140,277 detected sites 0.00% coverage sellers.json

14
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WordPress
WordPress offers a web publishing software that can be used to create websites or blogs.
9 unique domains 133,552 detected sites 0.00% coverage sellers.json

15
Mediavine
Mediavine is the largest exclusive ad management company in the U.S., and a Comscore top five lifestyle property.
8 unique domains 127,894 detected 3,694 sites 5.69% coverage 7,760 sellers.json

16
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The Trade Desk
The Trade Desk is an online demand-side platform that provides buying tools for digital media buyers.
8 unique domains 123,683 detected 733 sites 1.13% coverage 0 sellers.json

17
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Gemini from Yahoo!
Yahoo operates an online web portal intended to provide the latest news on cricket, finance, lifestyle, movies, celebrity, travel, and more.
18 unique domains 121,501 detected 29,830 sites 45.92% coverage 1,505 sellers.json

18
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Cloudflare
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
7 unique domains 113,353 detected sites 0.00% coverage sellers.json

19
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Taboola
Taboola is a content discovery platform that connects people with content they may like but never knew existed.
27 unique domains 103,044 detected 17,356 sites 26.72% coverage 32,704 sellers.json

20
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OpenX
OpenX provides digital and advertising technologies that optimize a company's advertising revenue.
35 unique domains 100,291 detected 62,892 sites 96.82% coverage 6,360 sellers.json

21
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Krux
Krux helps marketers, publishers and agencies drive revenue by delivering smarter content, commerce and marketing experiences.
6 unique domains 92,560 detected sites 0.00% coverage sellers.json

22
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Moat
Moat is a SaaS-based search engine for display ads, enabling users to find and discover their favorite brands.
17 unique domains 85,315 detected sites 0.00% coverage sellers.json

23
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district m
17 unique domains 83,362 detected 50,330 sites 77.48% coverage 829 sellers.json

24
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TripleLift
TripleLift is the programmatic technology company for native, branded content and OTT.
6 unique domains 78,529 detected 25,914 sites 39.89% coverage 3,662 sellers.json

25
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Oath
11 unique domains 78,507 detected 29,850 sites 45.95% coverage 0 sellers.json

26
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LinkedIn
LinkedIn is a professional networking site that allows its members to create business connections, search jobs, and find potential clients.
4 unique domains 71,827 detected sites 0.00% coverage sellers.json

27
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BidSwitch
7 unique domains 70,569 detected sites 0.00% coverage 0 sellers.json

28
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Lotame
Lotame offers data management technologies designed to provide unstacked data solutions.
5 unique domains 70,352 detected sites 0.00% coverage sellers.json

29
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Skimlinks
Skimlinks is the leading commerce content monetization platform, supporting publishers’ creation of a new revenue stream.
5 unique domains 69,975 detected sites 0.00% coverage sellers.json

30
Pinterest
Pinterest is a visual bookmarking tool for saving and discovering creative ideas.
9 unique domains 69,759 detected sites 0.00% coverage sellers.json

31
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Chartbeat
Chartbeat tools measure and monetize website visitors' attention and engagement on page content and advertising.
5 unique domains 64,553 detected sites 0.00% coverage sellers.json

32
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GumGum
GumGum is a global technology and media company specializing in contextual intelligence.
8 unique domains 63,076 detected 39,096 sites 60.18% coverage 973 sellers.json

33
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Integral Ad Science
IAS is a global technology and data company that empowers the advertising industry to effectively influence consumers everywhere.
5 unique domains 59,249 detected sites 0.00% coverage sellers.json

34
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Outbrain
Outbrain is a content discovery platform providing publishers a service for recommended links to increase traffic and generate revenue.
10 unique domains 56,988 detected 21,277 sites 32.75% coverage 3,230 sellers.json

35
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Sovrn
Sovrn offers products and services to online publishers that help them understand, operate and grow their businesses.
1 unique domains 53,133 detected 48,245 sites 74.27% coverage 0 sellers.json

36
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Nielsen
Global marketing research and business services company.
8 unique domains 52,945 detected sites 0.00% coverage sellers.json

37
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Fastly
Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.
7 unique domains 50,019 detected sites 0.00% coverage sellers.json

38
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MediaMath
MediaMath develops and delivers digital advertising media and data management technology solutions to advertisers worldwide.
6 unique domains 49,262 detected 1,320 sites 2.03% coverage 0 sellers.json

39
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33Across
33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.
10 unique domains 48,766 detected 38,104 sites 58.66% coverage 1,708 sellers.json

40
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OneSignal
OneSignal is an easy for developers to add personalized mobile push notifications or web push notifications to their apps.
4 unique domains 48,437 detected sites 0.00% coverage sellers.json

41
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NeuStar
Neustar offers a range of cloud-based services enabling marketing and IT professionals to promote and protect their businesses.
6 unique domains 47,292 detected sites 0.00% coverage sellers.json

42
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New Relic
New Relic is a digital intelligence company that delivers full-stack visibility and analytics to enterprises.
2 unique domains 46,484 detected sites 0.00% coverage sellers.json

43
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Conversant
Conversant is a leader in personalized digital marketing.
43 unique domains 43,958 detected 26,434 sites 40.69% coverage 697 sellers.json

44
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Hotjar
Hotjar is a privately owned and funded company that develops intuitive and disruptive research and optimization tools for web businesses.
9 unique domains 43,785 detected sites 0.00% coverage sellers.json

45
Adthrive
AdThrive is a lifestyle digital publishing and ad monetization network covering food, home, parenting, and DIY.
6 unique domains 43,038 detected sites 0.00% coverage sellers.json

46
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Microsoft
Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.
15 unique domains 42,789 detected sites 0.00% coverage sellers.json

47
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Bluekai
BlueKai is a data management platform that provides third-party data for use in a company's intelligent marketing activities.
3 unique domains 40,851 detected sites 0.00% coverage sellers.json

48
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Amobee
Amobee is a global digital marketing technology company and a wholly owned subsidiary of Singtel.
5 unique domains 40,645 detected sites 0.00% coverage sellers.json

49
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Teads
Teads invented outstream video advertising and is the no.1 video advertising marketplace in the world.
7 unique domains 40,538 detected 29,961 sites 46.12% coverage 3,101 sellers.json

50
Drawbridge
Drawbridge uses large-scale AI and machine learning technology to build Identity solutions that connect, unify, & enhance customer data.
1 unique domains 39,014 detected 1 sites 0.00% coverage 0 sellers.json