Hi,
I searched a lot on the internet and I found no solution to get my card displayed.
This is an example tweet https://twitter.com/ppscslv/status/848307416689258496
that via https://cards-dev.twitter.com/validator
shows in that way:
The file (png) can be accessed via public internet, there are no restrictions.
Can somebody give me some help please?
Thank in advance!
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