I’m getting an error saying
Unable to render Card preview
when submitting a link with a player card to the twitter card validator. The validator also says
*.netresec.com whitelist request for player card is pending approval
Does the domain need to be whitelisted before a player card can be previewed/validated?
The link I’ve submitted is this one:
https://www.netresec.com/?page=Blog&month=2018-02&post=Zyklon-Malware-Network-Forensics-Video-Tutorial
Also, the “Log” box says:
INFO: Page fetched successfully
INFO: 29 metatags were found
INFO: twitter:card = player tag found
WARN: Not whitelisted
UPDATE
Our domain name has now been approved for Player Cards. We’re now able to verify the cards using the twitter card validator and video playback works just fine on twitter. Here’s an example: