In reply to Octavian.

I’m referring to the experience of adding comments in the Smashing Magazine site, which went from WordPress to Jamstack. Their solution for comments is to create a pull request with the comment, and merge it to the repo, right when the user posts the comment. This operation takes many seconds, during which time the user is shown a spinner, and waiting. I’ve had to wait 20 seconds at times… It’s not a pleasant user experience.