bidder.criteo.com: Criteo’s Invasive Retargeting Ads

Criteo’s bidder.criteo.com stalks your online shopping to hit you with retargeted ads, collecting data on your browsing habits. It undermines your privacy for ad revenue. Privacy Auditors reveal its tactics and how to block it.

What Is bidder.criteo.com?

This domain powers Criteo’s ad retargeting, showing ads for products you’ve viewed. It builds a profile from your activity, stripping away anonymity.

Data It Collects

Criteo captures:

• Browsing History: URLs, product pages visited.
• IP Address: Ties activity to location.
• Ad Interactions: Clicks, views, timestamps.
• Cookie IDs: Tracks across sites.
• Device ID: Identifies for monitoring.
• Browser Type: Chrome, Firefox details.
• Operating System: Windows, Android specifics.
• Language Preference: Browser language.
• Referrer URL: Source of visit.
• Timestamps: Precise logging.

This builds an ad profile from your habits.

Who Gets Your Data?

Data goes to:

• Advertiser: Uses Criteo for retargeting.
• Third-Party Ad Network: Ad delivery.
• Government Entity: IP, user data on request.

How to Protect Yourself

Privacy Auditors suggest:

• Block Trackers: Stop bidder.criteo.com with our service.
• Use a VPN: Hide IP with Mullvad.
• Choose Privacy Browsers: Firefox or Tor.
• Disable JavaScript: Break scripts.
• Clear Cookies: Wipe trackers.

Use these together to stop Criteo.

Sources

• Criteo Privacy Policy: https://www.criteo.com/privacy/

This is a legal disclaimer. All information is provided for educational purposes only.