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
...
Google is a multinational corporation that specializes in Internet-related services and products.
44 unique domains 2,466,581 detected 75,571 sites 116.33% coverage 0 sellers.json

2
...
Facebook is an online social networking service that enables its users to connect with friends and family.
9 unique domains 262,645 detected 4,901 sites 7.54% coverage 0 sellers.json

3
...
Amazon is an international e-commerce website for consumers, sellers, and content creators.
23 unique domains 205,478 detected 2,342 sites 3.61% coverage 435 sellers.json

4
...
Rubicon Project is an advertising automation platform enabling premium publishers to transact advertising brands.
16 unique domains 196,002 detected 60,590 sites 93.27% coverage 3,252 sellers.json

5
...
Quantcast helps create a more personalized digital world.
11 unique domains 166,118 detected 1,535 sites 2.36% coverage 0 sellers.json

6
...
PubMatic is an automation solutions company for an open digital media industry.
20 unique domains 155,536 detected 59,089 sites 90.96% coverage 2,758 sellers.json

7
...
AppNexus operates a cloud-based software platform that enables and optimizes programmatic online advertising.
12 unique domains 155,007 detected 65,024 sites 100.10% coverage 2,055 sellers.json

8
...
Index Exchange is an exchange technology, enabling digital publishers and suppliers to sell ad impressions programmatically and in realtime.
13 unique domains 154,534 detected 60,292 sites 92.81% coverage 2,586 sellers.json

9
...
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 116,814 detected sites 0.00% coverage sellers.json

10
...
LiveRamp is the leading data connectivity platform for the safe and effective use of data.
4 unique domains 111,624 detected sites 0.00% coverage sellers.json

11
...
Adobe provides digital media and digital marketing solutions.
64 unique domains 106,515 detected sites 0.00% coverage sellers.json

12
...
Criteo is a global technology company that serves personalized online display advertisements to consumers on behalf of e-commerce companies.
15 unique domains 103,073 detected 19,112 sites 29.42% coverage 0 sellers.json

13
...
Yahoo operates an online web portal intended to provide the latest news on cricket, finance, lifestyle, movies, celebrity, travel, and more.
18 unique domains 101,424 detected 29,830 sites 45.92% coverage 1,352 sellers.json

14
...
comScore is a cross-platform measurement company that measures audiences, brands, and consumer behavior.
1 unique domains 98,522 detected sites 0.00% coverage sellers.json

15
...
The Trade Desk is an online demand-side platform that provides buying tools for digital media buyers.
8 unique domains 87,247 detected 733 sites 1.13% coverage 0 sellers.json

16
...
Krux helps marketers, publishers and agencies drive revenue by delivering smarter content, commerce and marketing experiences.
6 unique domains 80,941 detected sites 0.00% coverage sellers.json

17
...
WordPress offers a web publishing software that can be used to create websites or blogs.
9 unique domains 77,677 detected sites 0.00% coverage sellers.json

18
...
OpenX provides digital and advertising technologies that optimize a company's advertising revenue.
35 unique domains 76,832 detected 62,892 sites 96.82% coverage 6,278 sellers.json

19
...
Taboola is a content discovery platform that connects people with content they may like but never knew existed.
27 unique domains 74,612 detected 17,356 sites 26.72% coverage 30,666 sellers.json

20
...
Moat is a SaaS-based search engine for display ads, enabling users to find and discover their favorite brands.
17 unique domains 68,487 detected sites 0.00% coverage sellers.json

21
...
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
7 unique domains 67,251 detected sites 0.00% coverage sellers.json

22
...
17 unique domains 65,791 detected 50,330 sites 77.48% coverage 823 sellers.json

23
Mediavine is the largest exclusive ad management company in the U.S., and a Comscore top five lifestyle property.
8 unique domains 64,891 detected 3,694 sites 5.69% coverage 7,642 sellers.json

24
...
11 unique domains 59,750 detected 29,850 sites 45.95% coverage 0 sellers.json

25
...
TripleLift is the programmatic technology company for native, branded content and OTT.
6 unique domains 56,976 detected 25,914 sites 39.89% coverage 3,542 sellers.json

26
...
7 unique domains 56,382 detected sites 0.00% coverage 0 sellers.json

27
...
Lotame offers data management technologies designed to provide unstacked data solutions.
5 unique domains 53,932 detected sites 0.00% coverage sellers.json

28
...
Chartbeat tools measure and monetize website visitors' attention and engagement on page content and advertising.
5 unique domains 52,287 detected sites 0.00% coverage sellers.json

29
...
Skimlinks is the leading commerce content monetization platform, supporting publishers’ creation of a new revenue stream.
5 unique domains 52,250 detected sites 0.00% coverage sellers.json

30
...
IAS is a global technology and data company that empowers the advertising industry to effectively influence consumers everywhere.
5 unique domains 49,015 detected sites 0.00% coverage sellers.json

31
...
LinkedIn is a professional networking site that allows its members to create business connections, search jobs, and find potential clients.
4 unique domains 44,706 detected sites 0.00% coverage sellers.json

32
...
Global marketing research and business services company.
8 unique domains 44,539 detected sites 0.00% coverage sellers.json

33
...
GumGum is a global technology and media company specializing in contextual intelligence.
8 unique domains 42,567 detected 39,096 sites 60.18% coverage 938 sellers.json

34
...
MediaMath develops and delivers digital advertising media and data management technology solutions to advertisers worldwide.
6 unique domains 41,243 detected 1,320 sites 2.03% coverage 0 sellers.json

35
...
Outbrain is a content discovery platform providing publishers a service for recommended links to increase traffic and generate revenue.
10 unique domains 41,195 detected 21,277 sites 32.75% coverage 3,230 sellers.json

36
Pinterest is a visual bookmarking tool for saving and discovering creative ideas.
9 unique domains 40,738 detected sites 0.00% coverage sellers.json

37
...
33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.
10 unique domains 39,078 detected 38,104 sites 58.66% coverage 1,705 sellers.json

38
...
Neustar offers a range of cloud-based services enabling marketing and IT professionals to promote and protect their businesses.
6 unique domains 37,543 detected sites 0.00% coverage sellers.json

39
...
Conversant is a leader in personalized digital marketing.
43 unique domains 36,103 detected 26,434 sites 40.69% coverage 697 sellers.json

40
...
Sovrn offers products and services to online publishers that help them grow, operate their business, and manage consumer data.
1 unique domains 35,534 detected 48,245 sites 74.27% coverage 0 sellers.json

41
...
BlueKai is a data management platform that provides third-party data for use in a company's intelligent marketing activities.
3 unique domains 33,950 detected sites 0.00% coverage sellers.json

42
...
Amobee is a global digital marketing technology company and a wholly owned subsidiary of Singtel.
5 unique domains 33,737 detected sites 0.00% coverage sellers.json

43
...
Piano Software provides a business platform for digital media.
10 unique domains 31,935 detected sites 0.00% coverage sellers.json

44
...
Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.
7 unique domains 31,506 detected sites 0.00% coverage sellers.json

45
...
BounceX enables the world's top brands to better recognize their customers online, providing 1-to-1 marketing at scale.
8 unique domains 29,711 detected sites 0.00% coverage sellers.json

46
...
OneSignal is an easy for developers to add personalized mobile push notifications or web push notifications to their apps.
4 unique domains 29,398 detected sites 0.00% coverage sellers.json

47
Drawbridge uses large-scale AI and machine learning technology to build Identity solutions that connect, unify, & enhance customer data.
1 unique domains 28,938 detected 1 sites 0.00% coverage 0 sellers.json

48
...
RhythmOne is a technology-enabled digital media company that connects online audiences with brands through premium content across devices.
1 unique domains 28,684 detected 50,770 sites 78.15% coverage 2,698 sellers.json

49
...
Technology Powered by Deep Learning
5 unique domains 28,325 detected 4,360 sites 6.71% coverage 0 sellers.json

50
...
New Relic is a digital intelligence company that delivers full-stack visibility and analytics to enterprises.
2 unique domains 27,998 detected sites 0.00% coverage sellers.json