The team is now working on the WordPress Interactivity API. This unblocks the same UX Frontity framework enabled but directly in WordPress Core, fully compatible with the new Site Editor.
However, this doesnāt guarantee that the site wonāt be indexed by search engines, so you could use a theme that doesnāt render any content
You could either a custom theme or a theme designed for headless such as Nude.
A custom theme could simply consist of just the bare minimum that WordPress needs, i.e. a styles.css file and an index.php file. The index.php file can just have a wp_die() statement or echo a āNothing to see hereā type of message.