When I use Card Validator, everything semms to be ok, just an image does not show. The same when I´m twittering the URL.
We have this trouble all over the web.
One article for example: https://www.clovekvtisni.cz/en/what-we-do/humanitarian-aid-and-development/syria/syrian-school-supported-by-people-in-need-destroyed-by-airstrike-as-fighting-in-idlib-and-aleppo-governorates-escalates-4598gp
Card Validator says:
And tweet look totally the same, what we are doing wrong?