For some reason this morning the twitter cards to our website are no longer showing. It just shows the URL of the article rather than the twitter card. Nothing has changed with the site and we are not blocking Twitter bots.
One example of an article is: http://ronaldplump.com/2017/05/04/trumpcare-vote/
Can someone please look into this and tell me what is wrong?
Wen I do the Card Validator it says HTTP error, but when my partner does it he gets:
INFO: Page fetched successfully
INFO: 9 metatags were found
ERROR: No card found (Card error)
WARN: this card is redirected to https://twitter.com/login?redirect_after_login=https%3A%2F%2Fcards-dev.twitter.com%2Fvalidator