No image shows in twitter

cards

#1

**Description of issue: Validator says everything is ok, but no image shows in twitter. **
image

URL affected (must be public): https://www.plough.com/fr/souscrire/reveil-matin/even/decembre/6-decembre
<meta name=“twitter:site” content="@Plough_French"/>
<meta name=“twitter:card” content=“summary”/>
<meta name=“twitter:image” content=“https://cdn.plough.com/-/media/images/plough/advent/december6.jpg?1242018”/>

[Troubleshooting steps]:
I added extra parameter to the end of the image url on Dec 4. No help.
I asked the server tech if twitterbot is blocked on the cdn, he said no, he can see it in the logs.