Image of summary_large_image not showing in tweet


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:

Card Validator says:

And tweet look totally the same, what we are doing wrong?


Have you been through the troubleshooting post?


Thank You!
I´ve not found that pos and i did not know there must be full URL with protocol (we were using //www… instead)
It is working now.

Thank You very much and sorry for not reading “READ THIS FIRST”.