The Markup's Blacklight tool's report on Forbes.com, as seen in the Mozilla Firefox browser. So Surya Mattu, a developer and journalist with the privacy-focused news site The Markup, built a site-inspection tool called Blacklight that runs its own set of tests. On the upside, Blacklight reported relatively few of the most common tracking tools: 15 ad trackers and 23 third-party cookies. Blacklight reported the highest number of ad trackers and third-party cookies at ABC: 37 and 65. The lightest overall load was at the NYT, with 13 ad trackers, 12 third-party cookies and Google Analytics.

Source: Forbes September 23, 2020 19:41 UTC