CONSOLE WARNING: line 121: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/link-prefetch-tag/no-opt-in/cross-origin-http/top-level/keep-scheme-redirect/optionally-blockable/no-opt-in-allows.https.html' was loaded over HTTPS, but requested an insecure prefetch resource 'http://www1.web-platform.test:8001/mixed-content/generic/expect.py?redirection=keep-scheme-redirect&action=purge&key=c7beea02-4e2e-4483-98ee-e523637475ab&path=%2Fmixed-content&content_type=text/html'. This content should also be served over HTTPS.
CONSOLE WARNING: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/link-prefetch-tag/no-opt-in/cross-origin-http/top-level/keep-scheme-redirect/optionally-blockable/no-opt-in-allows.https.html' was loaded over HTTPS, but requested an insecure prefetch resource 'http://www1.web-platform.test:8001/mixed-content/generic/expect.py?action=purge&content_type=text%2Fhtml&key=c7beea02-4e2e-4483-98ee-e523637475ab&path=%2Fmixed-content'. This content should also be served over HTTPS.
