platform ranking

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.

1 ...
Google

Google is a multinational corporation that specializes in Internet-related services and products.

Walled Garden
54  unique domains
21 mm+ domains detected
628,052 declared customers sellers.json
109,535 claimed customers ads.txt
300 CMP ID
300 GDPR Vendor ID
43% Reseller Accounts
57% Direct Accounts
2 ...
Facebook

Facebook is an online social networking service that enables its users to connect with friends and family.

Walled Garden
12  unique domains
1.7 mm+ domains detected
0 declared customers sellers.json
7,898 claimed customers ads.txt
77% Reseller Accounts
23% Direct Accounts
3 ...
Mediavine

Mediavine is the largest exclusive ad management company in the U.S., and a Comscore top five lifestyle property.

Ad Network
11  unique domains
1.3 mm+ domains detected
8,768 declared customers sellers.json
3,694 claimed customers ads.txt
46 CMP ID
46 GDPR Vendor ID
0% Reseller Accounts
100% Direct Accounts
4 ...
Amazon

Amazon is an international e-commerce website for consumers, sellers, and content creators.

Walled Garden
27  unique domains
1.1 mm+ domains detected
1,499 declared customers sellers.json
2,342 claimed customers ads.txt
GDPR Vendor ID
100% Reseller Accounts
1% Direct Accounts
5 ...
Quantcast

Quantcast helps create a more personalized digital world.

Buying System
11  unique domains
1 mm+ domains detected
0 declared customers sellers.json
1,535 claimed customers ads.txt
10 CMP ID
10 GDPR Vendor ID
73% Reseller Accounts
27% Direct Accounts
6 ...
WordPress

WordPress offers a web publishing software that can be used to create websites or blogs.

Content, Assets + Frameworks
unique domains
800,000+ domains detected
0 declared customers sellers.json
7 ...
Cloudflare

Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.

Content Delivery Network
unique domains
660,000+ domains detected
0 declared customers sellers.json
8 ...
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.

Walled Garden
unique domains
630,000+ domains detected
0 declared customers sellers.json
9 ...
Index Exchange

Index Exchange is an exchange technology, enabling digital publishers and suppliers to sell ad impressions programmatically and in realtime.

Ad Exchange
13  unique domains
550,000+ domains detected
3,384 declared customers sellers.json
100,542 claimed customers ads.txt
GDPR Vendor ID
52% Reseller Accounts
48% Direct Accounts
10 ...
PubMatic

PubMatic is an automation solutions company for an open digital media industry.

Ad Exchange
20  unique domains
530,000+ domains detected
3,588 declared customers sellers.json
93,226 claimed customers ads.txt
GDPR Vendor ID
50% Reseller Accounts
50% Direct Accounts
11 ...
Rubicon Project

Rubicon Project is an advertising automation platform enabling premium publishers to transact advertising brands.

Ad Exchange
16  unique domains
510,000+ domains detected
3,542 declared customers sellers.json
101,406 claimed customers ads.txt
GDPR Vendor ID
53% Reseller Accounts
47% Direct Accounts
12 ...
ComScore

comScore is a cross-platform measurement company that measures audiences, brands, and consumer behavior.

Verification Service
unique domains
500,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
13 ...
AppNexus

AppNexus operates a cloud-based software platform that enables and optimizes programmatic online advertising.

Dual Sided Ad Platform
12  unique domains
480,000+ domains detected
2,276 declared customers sellers.json
102,908 claimed customers ads.txt
32 CMP ID
53% Reseller Accounts
47% Direct Accounts
14 ...
Adobe Ad Cloud

Adobe provides digital media and digital marketing solutions.

Buying System
86  unique domains
450,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
15 ...
LiveRamp

LiveRamp is the leading data connectivity platform for the safe and effective use of data.

Identity + User Data
15  unique domains
440,000+ domains detected
0 declared customers sellers.json
3 CMP ID
3 GDPR Vendor ID
16 ...
Criteo

Criteo is a global technology company that serves personalized online display advertisements to consumers on behalf of e-commerce companies.

Buying System
31  unique domains
410,000+ domains detected
238 declared customers sellers.json
44,185 claimed customers ads.txt
GDPR Vendor ID
46% Reseller Accounts
54% Direct Accounts
17 ...
Bootstrap

Content, Assets + Frameworks
unique domains
390,000+ domains detected
18 ...
Pinterest

Pinterest is a visual bookmarking tool for saving and discovering creative ideas.

Walled Garden
unique domains
350,000+ domains detected
0 declared customers sellers.json
19 ...
Taboola

Taboola is a content discovery platform that connects people with content they may like but never knew existed.

Content / Traffic Sharing
27  unique domains
330,000+ domains detected
39,055 declared customers sellers.json
28,171 claimed customers ads.txt
GDPR Vendor ID
34% Reseller Accounts
66% Direct Accounts
20 ...
Gemini from Yahoo!

Yahoo operates an online web portal intended to provide the latest news on cricket, finance, lifestyle, movies, celebrity, travel, and more.

Walled Garden
19  unique domains
290,000+ domains detected
2,111 declared customers sellers.json
66,348 claimed customers ads.txt
44% Reseller Accounts
56% Direct Accounts
21 ...
The Trade Desk

The Trade Desk is an online demand-side platform that provides buying tools for digital media buyers.

Buying System
unique domains
280,000+ domains detected
0 declared customers sellers.json
733 claimed customers ads.txt
GDPR Vendor ID
99% Reseller Accounts
0% Direct Accounts
22 ...
LinkedIn

LinkedIn is a professional networking site that allows its members to create business connections, search jobs, and find potential clients.

unique domains
270,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
23 ...
Moat

Moat is a SaaS-based search engine for display ads, enabling users to find and discover their favorite brands.

Identity + User Data
17  unique domains
260,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
24 ...
Skimlinks

Skimlinks is the leading commerce content monetization platform, supporting publishers’ creation of a new revenue stream.

Ad Network
unique domains
250,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
25 ...
Hotjar

Hotjar is a privately owned and funded company that develops intuitive and disruptive research and optimization tools for web businesses.

Buyer Tools + Analytics
unique domains
230,000+ domains detected
0 declared customers sellers.json
26 ...
OpenX

OpenX provides digital and advertising technologies that optimize a company's advertising revenue.

Ad Exchange
35  unique domains
210,000+ domains detected
6,989 declared customers sellers.json
99,911 claimed customers ads.txt
GDPR Vendor ID
54% Reseller Accounts
46% Direct Accounts
27 ...
OneSignal

OneSignal is an easy for developers to add personalized mobile push notifications or web push notifications to their apps.

Publisher Tools + Analytics
unique domains
200,000+ domains detected
0 declared customers sellers.json
28 ...
Outbrain

Outbrain is a content discovery platform providing publishers a service for recommended links to increase traffic and generate revenue.

Content / Traffic Sharing
18  unique domains
200,000+ domains detected
3,304 declared customers sellers.json
37,149 claimed customers ads.txt
GDPR Vendor ID
55% Reseller Accounts
45% Direct Accounts
29 ...
Krux

Krux helps marketers, publishers and agencies drive revenue by delivering smarter content, commerce and marketing experiences.

Identity + User Data
unique domains
190,000+ domains detected
0 declared customers sellers.json
30 ...
Adthrive

AdThrive is a lifestyle digital publishing and ad monetization network covering food, home, parenting, and DIY.

Ad Network
unique domains
190,000+ domains detected
3,630 declared customers sellers.json
31 ...
AddThis

AddThis provides social engagement tools, APIs and services personalizing websites for engagement, monetization and traffic boosting.

Identity + User Data
13  unique domains
190,000+ domains detected
0 declared customers sellers.json
32 ...
New Relic

New Relic is a digital intelligence company that delivers full-stack visibility and analytics to enterprises.

Publisher Tools + Analytics
unique domains
190,000+ domains detected
0 declared customers sellers.json
33 ...
Microsoft

Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.

Walled Garden
15  unique domains
180,000+ domains detected
0 declared customers sellers.json
34 ...
Lotame

Lotame is the leading provider of data enrichment solutions for global enterprises.

Identity + User Data
unique domains
180,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
35 ...
Cookie Pro

Consent Management Platform
unique domains
180,000+ domains detected
0 declared customers sellers.json
36 ...
Fastly

Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.

Content Delivery Network
unique domains
170,000+ domains detected
0 declared customers sellers.json
37 ...
BidSwitch

Ad Exchange
unique domains
170,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
38 ...
Chartbeat

Chartbeat tools measure and monetize website visitors' attention and engagement on page content and advertising.

Publisher Tools + Analytics
unique domains
160,000+ domains detected
0 declared customers sellers.json
39 ...
district m

Ad Exchange
17  unique domains
160,000+ domains detected
843 declared customers sellers.json
81,558 claimed customers ads.txt
GDPR Vendor ID
48% Reseller Accounts
52% Direct Accounts
40 ...
Onetrust

OneTrust helps companies manage privacy, security and governance requirements in a regulatory environment that constantly changes.

Consent Management Platform
unique domains
160,000+ domains detected
0 declared customers sellers.json
28 CMP ID
41 ...
Integral Ad Science

IAS is a global technology and data company that empowers the advertising industry to effectively influence consumers everywhere.

Verification Service
unique domains
160,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
42 ...
ShareThis

Ad Network
14  unique domains
160,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
43 ...
TripleLift

TripleLift is the programmatic technology company for native, branded content and OTT.

Ad Exchange
unique domains
150,000+ domains detected
4,896 declared customers sellers.json
53,585 claimed customers ads.txt
GDPR Vendor ID
30% Reseller Accounts
70% Direct Accounts
44 ...
Oath

Walled Garden
11  unique domains
130,000+ domains detected
0 declared customers sellers.json
52,652 claimed customers ads.txt
48% Reseller Accounts
52% Direct Accounts
45 ...
33Across

33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.

Ad Network
10  unique domains
120,000+ domains detected
1,734 declared customers sellers.json
66,769 claimed customers ads.txt
GDPR Vendor ID
54% Reseller Accounts
46% Direct Accounts
46 ...
GumGum

GumGum is a global technology and media company specializing in contextual intelligence.

Ad Network
unique domains
120,000+ domains detected
1,046 declared customers sellers.json
68,074 claimed customers ads.txt
GDPR Vendor ID
51% Reseller Accounts
49% Direct Accounts
47 ...
AdForm

Making display advertising simple, relevant, rewarding for advertisers, agencies and publishers

Buying System
10  unique domains
120,000+ domains detected
337 declared customers sellers.json
52,045 claimed customers ads.txt
GDPR Vendor ID
61% Reseller Accounts
39% Direct Accounts
48 ...
Conversant

Conversant is a leader in personalized digital marketing.

Buying System
43  unique domains
110,000+ domains detected
869 declared customers sellers.json
55,476 claimed customers ads.txt
23 CMP ID
23 GDPR Vendor ID
38% Reseller Accounts
62% Direct Accounts
49 ...
Bluekai

BlueKai is a data management platform that provides third-party data for use in a company's intelligent marketing activities.

Identity + User Data
unique domains
100,000+ domains detected
0 declared customers sellers.json
50 ...
Akamai

Akamai® is the provider of cloud services for helping enterprises provide secure, high-performing user experiences on any device.

Content Delivery Network
unique domains
100,000+ domains detected
0 declared customers sellers.json
51 ...
Sovrn

Sovrn offers products and services to online publishers that help them understand, operate and grow their businesses.

Ad Exchange
unique domains
100,000+ domains detected
0 declared customers sellers.json
80,424 claimed customers ads.txt
GDPR Vendor ID
44% Reseller Accounts
56% Direct Accounts
52 ...
Nielsen

Global marketing research and business services company.

Publisher Tools + Analytics
unique domains
99,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
53 ...
MediaMath

MediaMath develops and delivers digital advertising media and data management technology solutions to advertisers worldwide.

Buying System
unique domains
99,000+ domains detected
0 declared customers sellers.json
1,320 claimed customers ads.txt
GDPR Vendor ID
100% Reseller Accounts
0% Direct Accounts
54 ...
Sirdata

Sirdata is a self-service, third party data-collecting platform .

unique domains
97,000+ domains detected
0 declared customers sellers.json
92 CMP ID
92 GDPR Vendor ID
55 ...
NeuStar

Neustar offers a range of cloud-based services enabling marketing and IT professionals to promote and protect their businesses.

Identity + User Data
unique domains
97,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
56 ...
Piano

Piano Software provides a business platform for digital media.

Identity + User Data
10  unique domains
94,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
57 ...
Amobee

Kontera provides content marketing, social marketing, and actionable analytics to enable brands to optimize results.

Buying System
unique domains
89,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
58 ...
LiveIntent

Liveintent is a people-based marketing technology platform that generates a customer graph while driving sales and revenue.

Identity + User Data
unique domains
87,000+ domains detected
9,679 declared customers sellers.json
4,831 claimed customers ads.txt
GDPR Vendor ID
28% Reseller Accounts
72% Direct Accounts
59 ...
Teads

Teads invented outstream video advertising and is the no.1 video advertising marketplace in the world.

Ad Network
unique domains
85,000+ domains detected
3,466 declared customers sellers.json
52,239 claimed customers ads.txt
GDPR Vendor ID
40% Reseller Accounts
60% Direct Accounts
60 ...
Nativo

Nativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads.

Ad Network
unique domains
82,000+ domains detected
665 declared customers sellers.json
28,386 claimed customers ads.txt
GDPR Vendor ID
36% Reseller Accounts
64% Direct Accounts
61 ...
Mailchimp

Publisher Tools + Analytics
unique domains
80,000+ domains detected
0 declared customers sellers.json
62 ...
Permutive

Rebuilding data in advertising to protect privacy

Identity + User Data
12  unique domains
79,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
63 ...
Media.net

Media.net is a premium contextual advertising company.

Ad Exchange
18  unique domains
76,000+ domains detected
3,075 declared customers sellers.json
44,951 claimed customers ads.txt
GDPR Vendor ID
29% Reseller Accounts
71% Direct Accounts
64 ...
Sharethrough

Sharethrough is a software company that powers in-feed, native ads for premium publishers & brand marketers.

Dual Sided Ad Platform
11  unique domains
73,000+ domains detected
1,212 declared customers sellers.json
50,073 claimed customers ads.txt
GDPR Vendor ID
32% Reseller Accounts
68% Direct Accounts
65 ...
RhythmOne

RhythmOne is a technology-enabled digital media company that connects online audiences with brands through premium content across devices.

Ad Network
unique domains
71,000+ domains detected
3,082 declared customers sellers.json
84,470 claimed customers ads.txt
GDPR Vendor ID
52% Reseller Accounts
48% Direct Accounts
66 ...
Simpli.fi

Simpli.fi is a demand side platform transforming unstructured data elements to valuable factors that aid in decision making.

unique domains
69,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
67 ...
Yandex

Yandex is a multinational technology company that provides internet-related services and operates a search engine platform in Russia.

unique domains
69,000+ domains detected
0 declared customers sellers.json
6 claimed customers ads.txt
0% Reseller Accounts
100% Direct Accounts
68 ...
Cookiebot

Consent Management Platform
unique domains
69,000+ domains detected
0 declared customers sellers.json
162 CMP ID
69
OneTag

Ad Network
unique domains
68,000+ domains detected
43,877 declared customers sellers.json
44,226 claimed customers ads.txt
65 CMP ID
65 GDPR Vendor ID
54% Reseller Accounts
46% Direct Accounts
70 ...
HubSpot

HubSpot develops cloud-based, inbound marketing software that allows businesses to transform the way that they market online.

Buyer Tools + Analytics
unique domains
67,000+ domains detected
0 declared customers sellers.json
71 ...
Sourcepoint

Consent Management Platform
unique domains
66,000+ domains detected
0 declared customers sellers.json
6 CMP ID
6 GDPR Vendor ID
72
Drawbridge

Drawbridge uses large-scale AI and machine learning technology to build Identity solutions that connect, unify, & enhance customer data.

Buying System
unique domains
65,000+ domains detected
0 declared customers sellers.json
1 claimed customers ads.txt
0% Reseller Accounts
100% Direct Accounts
73 ...
TapAd

Tapad is a global marketing technology company connecting brands to consumers across devices.

Identity + User Data
unique domains
64,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
74 ...
Smart Ad Server

Smart AdServer is a leading ad monetization platform built for premium publishers to serve demanding buyers.

Dual Sided Ad Platform
unique domains
63,000+ domains detected
1,283 declared customers sellers.json
75,251 claimed customers ads.txt
GDPR Vendor ID
51% Reseller Accounts
49% Direct Accounts
75 ...
Didomi

Didomi is a consent and preference management platform for collecting and leveraging user consents and preferences for businesses.

Consent Management Platform
unique domains
62,000+ domains detected
0 declared customers sellers.json
7 CMP ID
76 ...
Optimizely

Optimizely helps businesses test out different ways to make their websites or apps more effective.

Buyer Tools + Analytics
unique domains
62,000+ domains detected
0 declared customers sellers.json
77 ...
RTB House

Technology Powered by Deep Learning

unique domains
62,000+ domains detected
0 declared customers sellers.json
4,360 claimed customers ads.txt
GDPR Vendor ID
52% Reseller Accounts
77% Direct Accounts
78 ...
Sortable

Sortable's ad technology works intelligently behind the scenes to optimize ad impressions so clients can focus on creating great content.

Verification Service
unique domains
60,000+ domains detected
251 declared customers sellers.json
1,302 claimed customers ads.txt
GDPR Vendor ID
2% Reseller Accounts
98% Direct Accounts
79 ...
PulsePoint

Contextweb offers real-time solutions to deliver advertisements using categories and keywords.

Ad Exchange
unique domains
60,000+ domains detected
277 declared customers sellers.json
74,572 claimed customers ads.txt
54% Reseller Accounts
46% Direct Accounts
80 ...
EMX digital

EMX Digital is a digital advertising marketplace.

Ad Network
unique domains
60,000+ domains detected
1,438 declared customers sellers.json
GDPR Vendor ID
81 ...
Beeswax

Beeswax offers Bidder-as-a-Service solution that is scalable, customizable, cloud-based programmatic bidding platform.

Buying System
unique domains
60,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
82 ...
Centro Brand Exchange

Centro's technology platform, Basis, is an advertising solution unifying programmatic buying, workflow automation and business intelligence.

Ad Exchange
unique domains
58,000+ domains detected
0 declared customers sellers.json
83 ...
Shopify

Shopify is a cloud-based, multi-channel commerce platform designed for small and medium-sized businesses.

Buying System
unique domains
55,000+ domains detected
0 declared customers sellers.json
84 ...
Tribal Fusion

Exponential Interactive is a global provider of advertising intelligence and digital media solutions to brand advertisers.

Buyer Tools + Analytics
unique domains
54,000+ domains detected
0 declared customers sellers.json
6,858 claimed customers ads.txt
23% Reseller Accounts
77% Direct Accounts
85 ...
Tribal Fusion

Exponential Interactive is a global provider of advertising intelligence and digital media solutions to brand advertisers.

Buying System
unique domains
54,000+ domains detected
0 declared customers sellers.json
6,858 claimed customers ads.txt
23% Reseller Accounts
77% Direct Accounts
86 ...
Sonobi

Publishers can programmatically sell guaranteed audiences against their advertisers data with premium inventory

Ad Exchange
unique domains
54,000+ domains detected
513 declared customers sellers.json
52,372 claimed customers ads.txt
GDPR Vendor ID
49% Reseller Accounts
51% Direct Accounts
87 ...
Tealium

Tealium is a provider of customer data orchestration tools aimed to address challenges in online search, marketing, and segment targeting.

Identity + User Data
unique domains
52,000+ domains detected
0 declared customers sellers.json
88 ...
StackAdapt

StackAdapt is the #1 performing native advertising platform helping brands accelerate customer engagement and acquisition.

Ad Network
unique domains
52,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
89 ...
Sailthru

Sailthru helps modern marketers acquire, grow, and retain customers.

Buying System
unique domains
50,000+ domains detected
0 declared customers sellers.json
90 ...
DataXu

Dataxu is a software company that helps marketing professionals use data to improve their advertising.

Buying System
unique domains
50,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
91 ...
Snapchat

Snap Inc. is a camera company. Reinventing the camera represents the greatest opportunity to improve the way people live and communicate.

Walled Garden
unique domains
48,000+ domains detected
0 declared customers sellers.json
92 ...
Parsely

Parse.ly is an engagement analytics platform aimed at online publishers.

Publisher Tools + Analytics
15  unique domains
47,000+ domains detected
0 declared customers sellers.json
93 ...
Zeta

Zeta offers technology and marketing services to help brands acquire, engage, and retain customers.

unique domains
47,000+ domains detected
0 declared customers sellers.json
GDPR Vendor ID
94 ...
Bounce Exchange

BounceX enables the world's top brands to better recognize their customers online, providing 1-to-1 marketing at scale.

Ad Network
unique domains
47,000+ domains detected
517 declared customers sellers.json
GDPR Vendor ID
95 ...
Crazy Egg

Crazy Egg allows website owners to create tests to figure out what users are doing on their site.

Publisher Tools + Analytics
unique domains
47,000+ domains detected
0 declared customers sellers.json
96 ...
Segment

Segment provides customer data infrastructure that helps businesses put their customers first.

Buyer Tools + Analytics
10  unique domains
46,000+ domains detected
0 declared customers sellers.json
97 ...
Ad Lightning

Custom-built to give Publishers & Ad Platforms the tools they need to find bad ads, along with the data and processes to remove them.

Contextual Data Provider
unique domains
44,000+ domains detected
0 declared customers sellers.json
98 ...
Scroll

Scroll is creating a sustainable experience that puts amazing content in front of engaged users without all the noise.

Publisher Tools + Analytics
unique domains
44,000+ domains detected
0 declared customers sellers.json
99 ...
Zemanta

Zemanta develops enterprise software for native advertising. Brands use the Zemanta One platform to execute their global native ad spend.

Buying System
unique domains
43,000+ domains detected
0 declared customers sellers.json
75 claimed customers ads.txt
GDPR Vendor ID
99% Reseller Accounts
1% Direct Accounts
100 ...
Gourmet Ads

Gourmet Ads is the leading online advertising platform for reaching the household grocery buyers in the United States, Canada, United

Ad Network
unique domains
41,000+ domains detected
1,842 declared customers sellers.json