>>ry8806+(OP)
I use Mastodon for comments on one of my sites using a slightly modified version of the code featured here:
https://carlschwan.eu/2020/12/29/adding-comments-to-your-sta...As the site is focused on a single topic, I almost always tag a related Lemmy community in the Mastodon post, so it gets comments from there too. Federation is cool.