Advertising
Microsoft Advertising
499.2K sitesSaaSPay as you go
Microsoft Advertising is an online advertising platform developed by Microsoft.
Google AdSense
483.1K sitesSaaS
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Publisher Tag
205.7K sites
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
Twitter Ads
194.9K sitesSaaSPay as you go
Twitter Ads is an advertising platform for Twitter 'microblogging' system.
ID5
139.2K sitesSaaS
ID5 is a company that offers an identity solution for digital advertising, providing a Universal ID that enables privacy-compliant user recognition and tracking across websites without relying on personal information or third-party cookies.
Prebid
137.5K sitesOpen source
Prebid is an open-source header bidding wrapper. It forms the core of our Nucleus ad platform, helping maximize revenue and performance for publishers.
Criteo
107.9K sitesSaaSQuote
Criteo provides personalised retargeting that works with Internet retailers to serve personalised online display advertisements to consumers who have previously visited the advertiser's website.
Amazon Advertising
107.8K sitesSaaSPay as you go
Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
AppNexus
64.7K sitesSaaSQuote
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
Rubicon Project
64.1K sitesSaaS
Rubicon Project is an advertising automation platform enabling publishers to transact advertising brands.
33Across
61.8K sitesSaaS
33Across is a technology company focused on solving the challenge of consumer attention for automated advertising.
OpenX
57.8K sitesSaaS
OpenX is a programmatic advertising technology company.
PubMatic
55K sitesSaaSPay as you go
PubMatic is a company that develops and implements online advertising software and strategies for the digital publishing and advertising industry.
Taboola
35.8K sitesSaaSPay as you go
Taboola is a content discovery & native advertising platform for publishers and advertisers.
theTradeDesk
35.2K sitesSaaSPay as you go
theTradeDesk is an technology company that markets a software platform used by digital ad buyers to purchase data-driven digital advertising campaigns across various ad formats and devices.
ADFOX
34.1K sitesSaaS$$ · Subscription
ADFOX is an advertising management platform for media publishers.
LiveIntent
33.9K sitesSaaSQuote
LiveIntent is an email ad monetization platform.
Reddit Ads
33.1K sites
Reddit Ads is an online advertising offering from Reddit.
Tapad
31.2K sitesSaaSQuote
Tapad is a venture-funded startup company that develops and markets software and services for cross-device advertising and content delivery.
Google Ads
30.3K sitesSaaSPay as you go
Google Ads is an online advertising platform developed by Google.
TripleLift
30.1K sitesSaaS$ · Subscription
TripleLift is an advertising technology company providing native programmatic to buyers and sellers.

WordAds
23.5K sitesSaaSFreemium · Pay as you go
WordAds is an advertising platform run by Automatic that allows bloggers and website owners to place advertisements on their blogs and websites.
Yahoo Advertising
23.4K sites
Yahoo Advertising includes a comprehensive suite of web, mobile, and video ad products across native, audience, and premium display, which are accessible through a new buying platform.
Linkedin Ads
20.3K sites
Linkedin Ads is a paid marketing tool that offers access to Linkedin social networks through various sponsored posts and other methods.
DoubleClick Campaign Manager (DCM)
17.8K sites
DoubleClick for Publishers (DFP)
17.7K sitesSaaSFreemium
DoubleClick for Publishers (DFP) is a hosted ad serving platform that streamlines your ad management.
Simpli.fi
16.4K sites
Simpli.fi is a programmatic advertising and agency management software.
AdRoll
15.9K sitesSaaS$ · Subscription
AdRoll is a digital marketing technology platform that specialises in retargeting.
Smart Ad Server
15.6K sitesSaaSPay as you go
Smart Ad Server is an adserving and RTB platform.
Integral Ad Science
14.6K sitesSaaSQuote
Integral Ad Science is an American publicly owned technology company that analyses the value of digital advertising placements.

Infolinks
12.8K sitesSaaSPay as you go · Freemium
Infolinks is an online advertising platform for publishers and advertisers.
Mediavine
10K sites
Mediavine is a full service ad management platform.
FreakOut
9.8K sitesSaaSQuote
FreakOut is a marketing technology company with programmatic solutions (DSP,SSP) that delivers in-feed display and video formats across global publishers.
Adform
9.4K sitesSaaSQuote
Adform is an all-in-one platform for digital advertising.
DoubleClick Ad Exchange (AdX)
9.3K sitesSaaS
DoubleClick Ad Exchange is a real-time marketplace to buy and sell display advertising space.
MGID
9.2K sitesSaaSPay as you go
MGID is a programmatic advertising platform frequently used by misinformation websites.
Outbrain
8.6K sitesSaaSPay as you go
Outbrain is a web advertising platform that displays boxes of links, known as chumboxes, to pages within websites.
Teads
7K sites
Teads is a technology provider that sells ads on publisher websites.

AdThrive
6.2K sitesSaaS
AdThrive is an online advertising network aka ad provider for bloggers for blog monetisation.

TVSquared
5.8K sitesSaaSQuote
TVSquared is a cross-platform TV ad measurement, analytics and optimisation platform.
Ezoic
5.6K sitesSaaSFreemium · Subscription · Quote · Pay as you go
Ezoic is a website optimisation platform for digital publishers and website owners powered by machine learning.
TrafficStars
5.4K sitesSaaSPay as you go
TrafficStars is a self-served ad network and ad exchange that operates mainly in adult-related verticals.
Utiq
4.9K sites
Utiq empowers brands and publishers to address audiences through Telco-powered first-party identifier.

DTScout
4.8K sitesSaaSQuote
DTScout is a marketing data intelligence software.
Snap Pixel
4.6K sitesSaaS
Snap Pixel is a piece of JavaScript code that helps advertisers measure the cross-device impact of campaigns.

AdRiver
4.4K sitesSaaSPay as you go
AdRiver is a company which provide internet advertising management and audit software.
GumGum
4.1K sitesSaaS$ · Subscription
GumGum is a technology and media company specializing in contextual intelligence.
Yandex.Direct
4K sites
Yandex Direct is the platform designed for sponsored ad management.
Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive (September 2026). Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.