grid-bidder.criteo.com: Criteo Ad Tracker Exposed | Privacy Auditor
- Privacy Auditor Research Team
- Privacy , Trackers
- July 1, 2025
Table of Contents
grid-bidder.criteo.com: How Criteo Bids on Your Data
grid-bidder.criteo.com is a Criteo domain that follows your online moves to bid on ad spaces. It’s a privacy nightmare, collecting data for profit.
What Is grid-bidder.criteo.com?
This domain powers Criteo’s real-time ad bidding system. It tracks your browsing to decide which ads to show, invading your personal space online.
Data It Collects
It grabs:
- IP Address: Ties to your location.
- Browsing History: URLs visited.
- Ad Interaction: Clicks and views.
- Device ID: Hardware identifier.
- Cookie IDs: Tracks sessions.
- Geolocation: From IP data.
- User Behavior: Time and pages.
Who Gets Your Data?
Shared with:
- Criteo: For bidding.
- Advertiser client: For campaigns.
- Third-party ad exchange: For RTB.
- Data broker: For profiles.
How to Protect Yourself
Block it with:
- VPN: Mask IP.
- Ad Blockers: Stop scripts.
- Privacy Browser: Use Tor.
Sources
- Criteo Privacy Policy: https://www.criteo.com/privacy/
Warning
The grid-bidder.criteo.com tracker grabs your browsing history and IP address. Use a VPN to stay hidden.
This is a legal disclaimer. All information is provided for educational purposes only.
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