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X (formerly Twitter) logo
Advertising High complexity

X (formerly Twitter)

by X (formerly Twitter)

Sets cookies
Yes
Sends PII
No
Cross-site tracking
No
Consent required
Advertising / Marketing
Transfer mechanism
EU-US Data Privacy Framework
Cookies
personalization_idguest_idct0muc_ads

Overview

X (formerly Twitter) advertising pixel. Tracks conversions, builds tailored audiences, and measures advertising campaign performance on the X platform. Fires on page events to attribute website actions to X ad interactions.

Detection Capabilities

Signature count
1
Detection methods
network

Performance Impact

Performance Impact

Script size
30 KB
Requests per page
1

Common Mistakes

  • 1 Firing the X pixel before advertising consent is obtained
  • 2 Not updating privacy notices and consent labels from 'Twitter' to 'X' following the rebrand
  • 3 Sending enhanced conversion data (email, phone) without hashing and without explicit consent

Compliance Considerations

Fires conversion pixels that transmit event data to X servers for ad measurement and tailored audience building. Advertising consent is required under GDPR/ePrivacy. The X pixel may set third-party cookies for cross-site tracking. Ensure the privacy notice specifically mentions X advertising tracking.

Related Services

6sense

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2 detection signatures

Adjust

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Mobile measurement and attribution platform owned by AppLovin. Tracks app installs, in-app events, and marketing campaign performance across mobile advertising networks. Used for mobile attribution, fraud prevention, and campaign optimisation.

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Amazon Ads

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High Amazon Ads

Amazon Ads (formerly Amazon Advertising) provides a JavaScript pixel and conversion tracking tag that measures user actions on advertiser websites and sends data back to Amazon's demand-side platform (DSP) and sponsored ads ecosystem. The Amazon ad tag enables conversion attribution, audience building, and retargeting across Amazon's owned properties and its extensive third-party publisher network. Amazon's advertising business has grown rapidly to become the third-largest digital advertising platform globally behind Google and Meta. The Amazon Ads pixel is increasingly found on e-commerce, retail, and consumer goods websites, and its integration with Amazon's vast consumer data ecosystem raises significant governance considerations for regulated organisations.

1 detection signature

AppNexus

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Programmatic advertising platform now operating as Microsoft's Xandr. Provides real-time bidding, audience targeting, and ad serving across display, video, and native formats. Xandr was acquired by Microsoft in 2022.

1 detection signature

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