OGP tag og:video

The OGP tag “og:video” for “og:video:type”=“video/mp4” is for an HTTPS resource. When requesting this resource the user agent is redirected to request an HTTP resource. This results in “Mixed-Content” warnings which fails to render in default IE 9+.

curl -L -vvv 'https://cdnapisec.kaltura.com/p/243342/sp/24334200/playManifest/entryId/1_sf5ovm7u/flavorId/1_d2uwy7vv/format/url/protocol/http/a.mp4' -o /dev/null
* Connected to cdnapisec.kaltura.com (104.97.176.237) port 443 (#0)                                                                                                                                [37/1801]
* TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
* Server certificate: *.kaltura.com
* Server certificate: Verizon Akamai SureServer CA G14-SHA2
* Server certificate: Baltimore CyberTrust Root
> GET /p/243342/sp/24334200/playManifest/entryId/1_sf5ovm7u/flavorId/1_d2uwy7vv/format/url/protocol/http/a.mp4 HTTP/1.1
> Host: cdnapisec.kaltura.com
> User-Agent: curl/7.43.0
> Accept: */*
>
< HTTP/1.1 302 Moved Temporarily
< Server: Apache
< X-Me: pa-front-api23
< X-Kaltura: cached-dispatcher,playManifest-15f345556158572d2081be98a5886043,0.00074982643127441
< Location: http://cdnsecakmi.kaltura.com/s/p/243342/sp/24334200/serveFlavor/entryId/1_sf5ovm7u/v/1/pv/1/flavorId/1_d2uwy7vv/forceproxy/true/name/a.mp4?aeauth=1456964099_7ac77dc1131ea1483f4a1a3a27c37b81
< Access-Control-Allow-Origin: *
< Access-Control-Expose-Headers: Server,range,Content-Length,Content-Range
< Content-Encoding: gzip
< Content-Length: 21
< Content-Type: text/html
< Expires: Thu, 03 Mar 2016 00:04:59 GMT
< Cache-Control: max-age=0, no-cache, no-store
< Pragma: no-cache
< Date: Thu, 03 Mar 2016 00:04:59 GMT
< Connection: keep-alive

See: