Last Update: 04/05/2026 at 2:50 PM EST
Blacklight Expands Pixel Tracking Detection
Coverage from edhat, The Almanac, and others
Articles
4
Latest Article
02/12
Active Days
3
Executive Summary
Blacklight expands its website scanner to detect TikTok and X pixels, exposing more tracking that can feed cross-site profiling and ad targeting.
- Blacklight has scanned websites since 2020 and now detects TikTok and X pixels
- Tracking pixels can send browsing, purchase and search data to platform owners
- Embedded pixels can help build profiles for advertising and other uses
- The new feature adds reporting and a downloadable archive with more detail
- Brandeis University capstone students helped develop the update with The Markup
- Blacklight findings have previously driven Pixel Hunt investigations and lawsuits
- Prior investigations exposed government sites sharing sensitive data with Meta and Google
Quick Facts
- What: Blacklight now detects TikTok and X tracking pixels
- Where: On websites scanned by Blacklight
- Why: To expose data flows used for profiling and ads
- Who: The Markup and Brandeis University students
- When: Announced after millions of scans since 2020
Coverage Timeline: 3 Days
Featured Article
The Markup expands Blacklight to detect TikTok and X tracking pixels on websites in 2026.
Additional Articles
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Blacklight detects TikTok and X pixels on websites, expanding detection since 2020 to reveal cross platform data sharing and profiling.
The Markup announces new Blacklight tracking pixel detection for TikTok and X pixels on websites in 2026.
The Markup's Blacklight tool detects TikTok and X pixels on websites in 2026 across the web to illuminate data sharing for advertising.