or maybe your site was hacked?
1.: did you do the steps on the right, that say "before you post"?
https://nicolamascia.com/
the website shows up for me
look, did you ever move your website to a new domain?
it seems like the website tries to access things on another website.
Screenshot 2024-02-05 at 15.18.47.png
when moving your website or changing your domain name, did you follow this tutorial?
https://laytheme.com/documentation/moving-website.html
when changing your domain name you actually need to change entries of your old domain name and replace them with the new domain name inside your database