Thank you for your answer. I have configured the CORS headers on my reverse proxy (nginx) and it works well now.
I am the owner of a forum (https://forum.the-programmer.com/) and I don't understand why when I go to google the description of the forum corresponds to the last category of my forum...
Is there any way to change that ?
Also i have the impression that the pages are not indexed by google (the sitemap is well activated), I don't know how to solve it
I think you should add a site description in the admin background.
I did this and the website did not have such a problem.
@Jean-baptiste-Devic Your forum is beautiful，I like the
@ufan0 Unfortunately I have already done this manipulation and it doesn't work I will probably send a message to the creator of the theme .
Thank you, I use the Oxide theme and I redid some parts of the css to match with my site
@Jean-baptiste-Devic NodeBB most likely has a problem with the main page seo. If you're directing google to the right category (ex. oxidepolska modyfikacje), an appropriate description will be displayed.
What exactly would I have to do ?