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Websites using Rubicon Project

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

Lead List Exporter

438 live Rubicon Project sites, ready to export.

That's how many Rubicon Project websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

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Just need a few domains? Export up to 10 free from a subset of our crawl.

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Every Rubicon Project website we detected in Sweden.

Only sites where a business, company-hosted email was found.

Sites with at least one business LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Rubicon Project websites on .com domains.

Create your own

How many websites use Rubicon Project?

We found Rubicon Project on 438 websites in our September 2026 crawl, across 27 countries.

Which countries use Rubicon Project the most?

By number of websites, the top countries are Sweden (17%, 73 sites), Canada (11%, 48 sites), United Kingdom (11%, 46 sites), Japan (9%, 38 sites) and United States (8%, 36 sites). Together they account for 55% of the 438 Rubicon Project sites we track. 44% of the sites are in English, and .com is the most used domain ending, on 38% of them.

Where are Rubicon Project websites hosted?

The networks carrying the most Rubicon Project sites are Cloudflare, Inc. (108 sites), Fastly, Inc. (104 sites) and Akamai International B.V. (58 sites).

What technologies are used with Rubicon Project?

Across the 438 Rubicon Project sites we track, the technologies most often found alongside it are Google Publisher Tag (64%, 279 sites), HSTS (58%, 253 sites), Google Tag Manager (44%, 193 sites), HTTP/3 (44%, 192 sites) and Nginx (39%, 169 sites).

Deep Dive

Breakdown of Rubicon Project websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of Rubicon Project websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.