My twitter card summary images are not being displayed (in both the validator tool and on Twitter), although their paths appear to be correctly fetched by the validator tool. Here’s an example: http://www.edmundstonenligne.ca/le-temps/item/citoyens-a-vos-greniers-pour-faire-revivre-l-histoire-de-la-prohibition-au-madawaska
I don’t know if this is relevant, but I am hosting my website on Hostgator. I am mentioning this, because I recall reading (somewhere on this forum) that some users have had similar issues occurring that were caused by their servers…
Thank you very much for your time and support.