CSP used: <meta http-equiv="Content-Security-Policy" content="frame-src http: https:">
All of these iframes are blocked in Edge. Check the dev tools console.
DNS error (https://wikiopedia.org) - Note the spelling error in the URL
Generic 400 response (blank page) (https://httpbin.org/status/400)
Generic 404 response (blank page) (https://httpbin.org/status/404)
Generic 500 response (blank page) (https://httpbin.org/status/500)
Fake malware blocked by MS smartscreen (https://demo.smartscreen.msft.net/other/malware.html)