How to add Twitter player cards on the platform?



Hello, I would like to figure out how to add a play cards based on the platform.

  1. I don’t know where to upload my container.html document.
  2. When I am going to validate my website, the system showed “Unable to render Card preview” and showed on card validator: * whitelist request for failed
    ERROR: Card validation failed
    URL affected:
    Troubleshooting steps tried already:

Thank you.


Have you discussed with Weebly support? We may not be able to help since this sounds like a closed CMS platform issue.


Thank you for replying, I will check with first.

closed #4

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