How to add og tags metadata to a plotly app?

Hey guys, I would like to customize my title, image, and description in the preview of the web app when sharing this on Facebook, LinkedIn, and so on…

I have added the og:tags as you can see in the image below:


The OGP declaration in the index_string:

But it’s not being recognized when I try to share the link on LinkedIn:

I would like to know how could I make it be recognized and shown when I share my app?

Any help will be very welcome!!!