This page embeds several "tracking" iframes that display the referrer accessible through `document.referrer`. Each iframe has a different inline Referrer policy set. See the The Referrer-Policy MDN page for more info.

No explicit policy

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

no-referrer

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

no-referrer-when-downgrade

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

origin

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

origin-when-cross-origin

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

same-origin

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

strict-origin

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

strict-origin-when-cross-origin

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)

unsafe-url

Non-tracker (englehardt-tracker.com)

Tracker (trackertest.org)