Blocked access to external URL http://example.test:8000/blink/sendbeacon/resources/save-beacon.py?name=cross-origin CONSOLE MESSAGE: Beacon API cannot load http://example.test:8000/blink/sendbeacon/resources/save-beacon.py?name=cross-origin due to access control checks. Verify navigator.sendBeacon() mixed content checking. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS navigator.sendBeacon("http://example.test:8000/blink/sendbeacon/resources/save-beacon.py?name=cross-origin", "CrossOrigin"); is false PASS successfullyParsed is true TEST COMPLETE