Set referrer policy on default img tracking code #16237
Merged
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fix #15845 I can reproduce this when using this script
This scripts need to be placed on a different domain than the Matomo domain. Without the referrerpolicy, the tracking quest would not include any information and track a request without any page URL. With the attribute, it tracks the request and includes the referrer.
The downgrade part shouldn't be any issue because should a website be HTTPS, and Matomo HTTP, then the request would likely not be executed anyway. For more information see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy