Welcome to SO. You’re redirecting the users of old website to a new website which will not send the content to the new site. In order to do that what you can do is install a plugin, I usually recommend Updraft plugin to transfer the content of old site to the new site. This is … Read more
WordPress is removing trailing slash
Smart Design for Blog + Woocommerce + LearnDash + Forum/Bodyboss
How do I change the wpstaging.com domain to new domain without damaging the website?
Access web server in local LAN using domain name instead of IP
Can’t login to WordPress admin panel after changing domain to use WordPress pages as a fallback from React
Problem with Web-Alias and WooCommerce
Changed domain name and all the 301 redirects work except the ones for the thumbnail image which return 403 Forbidden error
Switching from sub directories to sub domains is not easy. Start by looking at https://wordpress.org/support/article/multisite-network-administration/#switching-network-types, besides that, you might also need to run search + replace queries on the database to update the URLs on the content, and re-save the permalink structure.
Is there something I need to know in order to use WordPress on foreign (Swedish) TLDs?