Hello Lucia Stoppa
Thank for your information!
We have checked and have a problem. Example in article
www.ilvariano.news/index.php/territorio/...o-di-angela-iantosca we have check and have 3 info code share to Facebook (Facebook get this data and shown it in facebook) you can check in image
prnt.sc/6tAeZSQlI1f6 or you can view source (click mouse right and choose view source in article). and it is wrong
and you can check wrong article here
developers.facebook.com/tools/debug/
You can copy URL your article and paste it here and click debug and check wrong
Can if can you send me joomla admin? So we can check and fixed it
Best regards
Bach Pham