Do you use Twitter Card Preview?
What is Twitter Card Preview?
Twitter card validator is not working anymore twittercommunity.com/t/card-validator-preview-removal/175006 People can use this simple alternative to preview their link before share it on twitter
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Twitter Card Preview
Twitter card validator is not working anymore https://twittercommunity.com/t/card-validator-preview-removal/175006
People can use this simple alternative to preview their link before share it on twitter