Card validator HttpConnectionTimeout on entire domain


#1

Issue: Twitter cards are not working on specific domain. Any urls shared on Twitter from my website don’t have a card. Demo live tweet: https://twitter.com/martijnoud/status/872530520722243586

When running the card validator it simply says Unable to render Card preview and the log says ERROR: Failed to fetch page due to: HttpConnectionTimeout.

URLs affected:

Troubleshooting steps tried already: Yes.

  • The website loads normally and fast
  • Twitterbot and images are not being blocked by robots.txt (or similar)
  • Curl shows the rich snippet in the source
  • The card snippet is valid (generated by Yoast SEO plugin v4.9)
  • Probably not related to SSL handshake issues (Test from ssllabs.com)

#2

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