AppNexus
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
Get all 6,067 companies using AppNexus
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Companies
6,067
Top Country
US
Top Industry
Health Care
Adoption Insights
AppNexus is used by 6,067 companies in our database, representing approximately 0.20% of all tracked websites. The most common industry using AppNexus is Health Care, and adoption is strongest in US.
Top Countries Using AppNexus
Top Industries Using AppNexus
Companies Using AppNexus
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Suno | suno.com | US | Apps | 101-250 |
 Halcyon | halcyon.ai | US | Artificial Intelligence (AI) | 101-250 |
 Quince | quince.com | US | Apparel | 251-500 |
 Integral Ad Science | integralads.com | US | Advertising | 501-1000 |
 Engine | engine.com | US | Business Travel | 501-1000 |
 Lassie | lassie.co | SE | Insurance | 101-250 |
 Bitcoin Hyper | bitcoinhyper.com | US | Bitcoin | — |
 Ollie | myollie.com | US | E-Commerce | 101-250 |
 Frontier Airlines | flyfrontier.com | US | Service Industry | 5001-10000 |
 LifeMD | lifemd.com | US | Health Care | 251-500 |
Top Alternatives to AppNexus
Other Advertising technologies sorted by adoption
How We Detect AppNexus
The Web Radar detects AppNexus by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is AppNexus?+
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
How many companies use AppNexus?+
6,067 companies in our database use AppNexus, representing approximately 0.20% of all tracked websites.
What industries use AppNexus the most?+
The top industries using AppNexus are Health Care, E-Commerce, Advertising.
What countries use AppNexus the most?+
The top countries using AppNexus are US, GB, CA.
Is AppNexus popular?+
AppNexus is used by 6,067 companies, making it one of the most widely adopted Advertising technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: June 2026