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Epsilon (Conversant)

Advertising

Epsilon (Conversant) loaded on 48 sites in our October 2026 scan: 2% of the 2,450 most-visited sites we checked, before any visitor had given consent.

Category: Advertising. A company can do several jobs; this is its main role on the pages we saw.

On 96% of the sites where it loaded, a consent banner was already present but hadn't been answered yet. It's especially common on .it sites: 5% of them load it, versus 2% of all sites we scanned.

About Epsilon (Conversant)

Epsilon, the marketing company owned by Publicis Groupe, absorbed the ad-tech company Conversant (itself formerly ValueClick/Dotomi) into its advertising business.

Its dotomi.com and fastclick.net domains typically run a retargeting pixel, similar in purpose to Criteo, logging products or pages viewed so an ad for them can follow the visitor elsewhere.

Epsilon participates in the Network Advertising Initiative's opt-out program.

Often loaded alongside

Sites that load Epsilon (Conversant) most often also load Google Ads (100%), Amazon Advertising (96%), Google Analytics (92%), Google (90%), and ID5 (65%).

Domains it loads from

  • secure.cdn.fastclick.net
  • proc.ad.cpe.dotomi.com
  • login.dotomi.com
  • web.hb.ad.cpe.dotomi.com
  • equativ-match.dotomi.com
  • stx-match.dotomi.com
  • tritondigital-match.dotomi.com
  • media.msg.dotomi.com
  • prebid-match.dotomi.com
  • beachfront-match.dotomi.com

Sites that load Epsilon (Conversant)

The highest-ranked 30 of 48 sites.

Show 20 more sites

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